Home / 3,694.47-5,098.28-2,015.92

Finding the Fourth Proportional to 3,694.47, 5,098.28 and 2,015.92

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Solution

The fourth proportional to 3,694.47, 5,098.28 and 2,015.92 is: 2,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.47 : 5,098.28 = 2,015.92 : x
  2. Step 2: Convert to fraction form
    3,694.47/5,098.28 = 2,015.92/x
  3. Step 3: Cross multiply
    3,694.47x = 5,098.28 × 2,015.92
  4. Step 4: Simplify right side
    3,694.47x = 10,277,724.62
  5. Step 5: Solve for x
    x = 10,277,724.62/3,694.47
  6. Step 6: Final answer
    x = 2,781.92

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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.