Solve for x
x = \frac{21}{16} = 1\frac{5}{16} = 1.3125
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x=\frac{3}{4}\times \frac{7}{4}
Multiply both sides by \frac{7}{4}, the reciprocal of \frac{4}{7}.
x=\frac{3\times 7}{4\times 4}
Multiply \frac{3}{4} times \frac{7}{4} by multiplying numerator times numerator and denominator times denominator.
x=\frac{21}{16}
Do the multiplications in the fraction \frac{3\times 7}{4\times 4}.
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