Home / 7,115.31-10,674.33-2,732.43

Finding the Fourth Proportional to 7,115.31, 10,674.33 and 2,732.43

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Solution

The fourth proportional to 7,115.31, 10,674.33 and 2,732.43 is: 4,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.31 : 10,674.33 = 2,732.43 : x
  2. Step 2: Convert to fraction form
    7,115.31/10,674.33 = 2,732.43/x
  3. Step 3: Cross multiply
    7,115.31x = 10,674.33 × 2,732.43
  4. Step 4: Simplify right side
    7,115.31x = 29,166,806.15
  5. Step 5: Solve for x
    x = 29,166,806.15/7,115.31
  6. Step 6: Final answer
    x = 4,099.16

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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.