In the figure shown, the ratio of the shaded area to the area of rectangle ABCD is 1 : 4. The ratio of the shaded area to the area of rectangle EFGH is 2 : 5. <hr>The ratio of the area of rectangle ABCD to the area of rectangle EFGH is <br><input min="0" type="number" id ="imp5pg103q3a_1" class="lineinput" placeholder="?" /> : <input min="0" type="number" id ="imp5pg103q3a_2" class="lineinput" placeholder="?" />.