Home / 3,924.60-5,414.85-2,432.58

Finding the Fourth Proportional to 3,924.60, 5,414.85 and 2,432.58

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Solution

The fourth proportional to 3,924.60, 5,414.85 and 2,432.58 is: 3,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.60 : 5,414.85 = 2,432.58 : x
  2. Step 2: Convert to fraction form
    3,924.60/5,414.85 = 2,432.58/x
  3. Step 3: Cross multiply
    3,924.60x = 5,414.85 × 2,432.58
  4. Step 4: Simplify right side
    3,924.60x = 13,172,055.81
  5. Step 5: Solve for x
    x = 13,172,055.81/3,924.60
  6. Step 6: Final answer
    x = 3,356.28

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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.