Home / 7,331.72-10,115.34-4,144.61

Finding the Fourth Proportional to 7,331.72, 10,115.34 and 4,144.61

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Solution

The fourth proportional to 7,331.72, 10,115.34 and 4,144.61 is: 5,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.72 : 10,115.34 = 4,144.61 : x
  2. Step 2: Convert to fraction form
    7,331.72/10,115.34 = 4,144.61/x
  3. Step 3: Cross multiply
    7,331.72x = 10,115.34 × 4,144.61
  4. Step 4: Simplify right side
    7,331.72x = 41,924,139.32
  5. Step 5: Solve for x
    x = 41,924,139.32/7,331.72
  6. Step 6: Final answer
    x = 5,718.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.