Home / 4,957.20-7,432.56-2,488.32

Finding the Fourth Proportional to 4,957.20, 7,432.56 and 2,488.32

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Solution

The fourth proportional to 4,957.20, 7,432.56 and 2,488.32 is: 3,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.20 : 7,432.56 = 2,488.32 : x
  2. Step 2: Convert to fraction form
    4,957.20/7,432.56 = 2,488.32/x
  3. Step 3: Cross multiply
    4,957.20x = 7,432.56 × 2,488.32
  4. Step 4: Simplify right side
    4,957.20x = 18,494,587.70
  5. Step 5: Solve for x
    x = 18,494,587.70/4,957.20
  6. Step 6: Final answer
    x = 3,730.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.