Home / 5,167.13-7,131.85-3,072.47

Finding the Fourth Proportional to 5,167.13, 7,131.85 and 3,072.47

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Solution

The fourth proportional to 5,167.13, 7,131.85 and 3,072.47 is: 4,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.13 : 7,131.85 = 3,072.47 : x
  2. Step 2: Convert to fraction form
    5,167.13/7,131.85 = 3,072.47/x
  3. Step 3: Cross multiply
    5,167.13x = 7,131.85 × 3,072.47
  4. Step 4: Simplify right side
    5,167.13x = 21,912,351.83
  5. Step 5: Solve for x
    x = 21,912,351.83/5,167.13
  6. Step 6: Final answer
    x = 4,240.72

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1.5x scale

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.