Home / 5,385.92-7,432.51-3,028.06

Finding the Fourth Proportional to 5,385.92, 7,432.51 and 3,028.06

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Solution

The fourth proportional to 5,385.92, 7,432.51 and 3,028.06 is: 4,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.92 : 7,432.51 = 3,028.06 : x
  2. Step 2: Convert to fraction form
    5,385.92/7,432.51 = 3,028.06/x
  3. Step 3: Cross multiply
    5,385.92x = 7,432.51 × 3,028.06
  4. Step 4: Simplify right side
    5,385.92x = 22,506,086.23
  5. Step 5: Solve for x
    x = 22,506,086.23/5,385.92
  6. Step 6: Final answer
    x = 4,178.69

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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.