Question 1153257
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By the definition, a proportion is an equality of two ratios.


So, you calculate one ratio,  {{{2/((4/5))}}} = {{{(2*5)/4}}} = {{{10/4}}} = {{{5/2}}}


and another ratio,  {{{((3/4))/((2/10))}}} = {{{(3*10)/(4*2)}}} = {{{30/8}}} = {{{15/4}}}.


Then you compare these two ratio (expressed in simplest form), and what you see ?
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