Home / 5,167.70-7,131.34-2,929.52

Finding the Fourth Proportional to 5,167.70, 7,131.34 and 2,929.52

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Solution

The fourth proportional to 5,167.70, 7,131.34 and 2,929.52 is: 4,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.70 : 7,131.34 = 2,929.52 : x
  2. Step 2: Convert to fraction form
    5,167.70/7,131.34 = 2,929.52/x
  3. Step 3: Cross multiply
    5,167.70x = 7,131.34 × 2,929.52
  4. Step 4: Simplify right side
    5,167.70x = 20,891,384.53
  5. Step 5: Solve for x
    x = 20,891,384.53/5,167.70
  6. Step 6: Final answer
    x = 4,042.69

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Why These Related Problems?

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