Home / 1,606.76-2,215.06-1,253.16

Finding the Fourth Proportional to 1,606.76, 2,215.06 and 1,253.16

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Solution

The fourth proportional to 1,606.76, 2,215.06 and 1,253.16 is: 1,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.76 : 2,215.06 = 1,253.16 : x
  2. Step 2: Convert to fraction form
    1,606.76/2,215.06 = 1,253.16/x
  3. Step 3: Cross multiply
    1,606.76x = 2,215.06 × 1,253.16
  4. Step 4: Simplify right side
    1,606.76x = 2,775,824.59
  5. Step 5: Solve for x
    x = 2,775,824.59/1,606.76
  6. Step 6: Final answer
    x = 1,727.59

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.