Home / 5,385.17-7,431.84-3,027.30

Finding the Fourth Proportional to 5,385.17, 7,431.84 and 3,027.30

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Solution

The fourth proportional to 5,385.17, 7,431.84 and 3,027.30 is: 4,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.17 : 7,431.84 = 3,027.30 : x
  2. Step 2: Convert to fraction form
    5,385.17/7,431.84 = 3,027.30/x
  3. Step 3: Cross multiply
    5,385.17x = 7,431.84 × 3,027.30
  4. Step 4: Simplify right side
    5,385.17x = 22,498,409.23
  5. Step 5: Solve for x
    x = 22,498,409.23/5,385.17
  6. Step 6: Final answer
    x = 4,177.85

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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.