Home / 3,683.92-5,081.28-2,357.04

Finding the Fourth Proportional to 3,683.92, 5,081.28 and 2,357.04

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Solution

The fourth proportional to 3,683.92, 5,081.28 and 2,357.04 is: 3,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.92 : 5,081.28 = 2,357.04 : x
  2. Step 2: Convert to fraction form
    3,683.92/5,081.28 = 2,357.04/x
  3. Step 3: Cross multiply
    3,683.92x = 5,081.28 × 2,357.04
  4. Step 4: Simplify right side
    3,683.92x = 11,976,780.21
  5. Step 5: Solve for x
    x = 11,976,780.21/3,683.92
  6. Step 6: Final answer
    x = 3,251.10

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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.