Home / 5,115.12-7,665.96-2,033.52

Finding the Fourth Proportional to 5,115.12, 7,665.96 and 2,033.52

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Solution

The fourth proportional to 5,115.12, 7,665.96 and 2,033.52 is: 3,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.12 : 7,665.96 = 2,033.52 : x
  2. Step 2: Convert to fraction form
    5,115.12/7,665.96 = 2,033.52/x
  3. Step 3: Cross multiply
    5,115.12x = 7,665.96 × 2,033.52
  4. Step 4: Simplify right side
    5,115.12x = 15,588,882.98
  5. Step 5: Solve for x
    x = 15,588,882.98/5,115.12
  6. Step 6: Final answer
    x = 3,047.61

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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.