What is a proportion?
Proportions

Flashcard
•
Mathematics
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A proportion is an equation that states that two ratios are equal.
2.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, cross-multiply the two ratios and set the products equal to each other.
3.
FLASHCARD QUESTION
Front
What is the formula for finding a missing value in a proportion?
Back
If a/b = c/d, then ad = bc.
4.
FLASHCARD QUESTION
Front
If 3 apples cost $6, how much do 5 apples cost?
Back
$10 (Set up the proportion: 3/6 = 5/x, cross-multiply to find x).
5.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division.
6.
FLASHCARD QUESTION
Front
If the ratio of boys to girls is 4 to 5 and there are 20 boys, how many girls are there?
Back
25 girls (Set up the proportion: 4/5 = 20/x, cross-multiply to find x).
7.
FLASHCARD QUESTION
Front
What is the relationship between ratios and proportions?
Back
Ratios compare two quantities, while proportions show that two ratios are equal.
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