Home / 5,167.33-7,131.47-2,928.97

Finding the Fourth Proportional to 5,167.33, 7,131.47 and 2,928.97

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Solution

The fourth proportional to 5,167.33, 7,131.47 and 2,928.97 is: 4,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.33 : 7,131.47 = 2,928.97 : x
  2. Step 2: Convert to fraction form
    5,167.33/7,131.47 = 2,928.97/x
  3. Step 3: Cross multiply
    5,167.33x = 7,131.47 × 2,928.97
  4. Step 4: Simplify right side
    5,167.33x = 20,887,851.18
  5. Step 5: Solve for x
    x = 20,887,851.18/5,167.33
  6. Step 6: Final answer
    x = 4,042.29

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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.