Home / 5,167.71-7,131.03-2,929.93

Finding the Fourth Proportional to 5,167.71, 7,131.03 and 2,929.93

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Solution

The fourth proportional to 5,167.71, 7,131.03 and 2,929.93 is: 4,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.71 : 7,131.03 = 2,929.93 : x
  2. Step 2: Convert to fraction form
    5,167.71/7,131.03 = 2,929.93/x
  3. Step 3: Cross multiply
    5,167.71x = 7,131.03 × 2,929.93
  4. Step 4: Simplify right side
    5,167.71x = 20,893,389.91
  5. Step 5: Solve for x
    x = 20,893,389.91/5,167.71
  6. Step 6: Final answer
    x = 4,043.07

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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.