Home / 3,654.92-5,039.32-2,947.52

Finding the Fourth Proportional to 3,654.92, 5,039.32 and 2,947.52

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Solution

The fourth proportional to 3,654.92, 5,039.32 and 2,947.52 is: 4,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.92 : 5,039.32 = 2,947.52 : x
  2. Step 2: Convert to fraction form
    3,654.92/5,039.32 = 2,947.52/x
  3. Step 3: Cross multiply
    3,654.92x = 5,039.32 × 2,947.52
  4. Step 4: Simplify right side
    3,654.92x = 14,853,496.49
  5. Step 5: Solve for x
    x = 14,853,496.49/3,654.92
  6. Step 6: Final answer
    x = 4,063.97

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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.