Home / 5,385.08-7,432.16-3,027.38

Finding the Fourth Proportional to 5,385.08, 7,432.16 and 3,027.38

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Solution

The fourth proportional to 5,385.08, 7,432.16 and 3,027.38 is: 4,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.08 : 7,432.16 = 3,027.38 : x
  2. Step 2: Convert to fraction form
    5,385.08/7,432.16 = 3,027.38/x
  3. Step 3: Cross multiply
    5,385.08x = 7,432.16 × 3,027.38
  4. Step 4: Simplify right side
    5,385.08x = 22,499,920.24
  5. Step 5: Solve for x
    x = 22,499,920.24/5,385.08
  6. Step 6: Final answer
    x = 4,178.19

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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.