Question

Решите пропорцию 7,2:3 2/5=х:1 1/2

Answer 1

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Answer 2

$7.2 div 3 frac{2}{5} = x div 1 frac{1}{2} \ frac{36}{5} times 1 frac{1}{2} = 3 frac{2}{5} times x \ frac{36}{5} times frac{3}{2} = frac{17}{5} x \ frac{18}{5} times 3 = frac{17}{5} x \ frac{54}{17} = x \ x = frac{54}{17} = 3 frac{3}{17}$