An example of a proportion is:
$\frac{2}{5} = \frac{x}{10}$.
In this proportion, 2 is to 5 as x is to 10. To solve for x, we can cross multiply to get $2 * 10 = 5 * x$, which simplifies to 20 = 5x. Dividing both sides by 5, we find that x = 4. Thus, the proportion is true when 2 is compared to 5, just as 4 is compared to 10.
give an example of a proportion
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