Home / 5,405.31-8,107.97-4,174.52

Finding the Fourth Proportional to 5,405.31, 8,107.97 and 4,174.52

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Solution

The fourth proportional to 5,405.31, 8,107.97 and 4,174.52 is: 6,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.31 : 8,107.97 = 4,174.52 : x
  2. Step 2: Convert to fraction form
    5,405.31/8,107.97 = 4,174.52/x
  3. Step 3: Cross multiply
    5,405.31x = 8,107.97 × 4,174.52
  4. Step 4: Simplify right side
    5,405.31x = 33,846,882.92
  5. Step 5: Solve for x
    x = 33,846,882.92/5,405.31
  6. Step 6: Final answer
    x = 6,261.78

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