Home / 5,167.27-7,130.25-2,929.10

Finding the Fourth Proportional to 5,167.27, 7,130.25 and 2,929.10

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Solution

The fourth proportional to 5,167.27, 7,130.25 and 2,929.10 is: 4,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.27 : 7,130.25 = 2,929.10 : x
  2. Step 2: Convert to fraction form
    5,167.27/7,130.25 = 2,929.10/x
  3. Step 3: Cross multiply
    5,167.27x = 7,130.25 × 2,929.10
  4. Step 4: Simplify right side
    5,167.27x = 20,885,215.28
  5. Step 5: Solve for x
    x = 20,885,215.28/5,167.27
  6. Step 6: Final answer
    x = 4,041.83

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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.