Home / 5,137.12-7,707.23-2,174.04

Finding the Fourth Proportional to 5,137.12, 7,707.23 and 2,174.04

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Solution

The fourth proportional to 5,137.12, 7,707.23 and 2,174.04 is: 3,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.12 : 7,707.23 = 2,174.04 : x
  2. Step 2: Convert to fraction form
    5,137.12/7,707.23 = 2,174.04/x
  3. Step 3: Cross multiply
    5,137.12x = 7,707.23 × 2,174.04
  4. Step 4: Simplify right side
    5,137.12x = 16,755,826.31
  5. Step 5: Solve for x
    x = 16,755,826.31/5,137.12
  6. Step 6: Final answer
    x = 3,261.72

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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.