Home / 5,167.54-7,131.17-2,929.84

Finding the Fourth Proportional to 5,167.54, 7,131.17 and 2,929.84

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Solution

The fourth proportional to 5,167.54, 7,131.17 and 2,929.84 is: 4,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.54 : 7,131.17 = 2,929.84 : x
  2. Step 2: Convert to fraction form
    5,167.54/7,131.17 = 2,929.84/x
  3. Step 3: Cross multiply
    5,167.54x = 7,131.17 × 2,929.84
  4. Step 4: Simplify right side
    5,167.54x = 20,893,187.11
  5. Step 5: Solve for x
    x = 20,893,187.11/5,167.54
  6. Step 6: Final answer
    x = 4,043.16

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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.