ACT Math: Proportion Problems

This ACT math video explains how to solve proportion problems. A Proportion is a mathematical statement which tells you that two ratios (fractions) are equal (a/b = c/d). Solving proportions involves stating ratios as fractions, setting the two fractions equal to each other, cross-multiplying, and then solving that equation that comes from cross-multiplying to find the missing value. This video contains examples from the ACT practice tests.
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