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Finding the Fourth Proportional to 7,391.90, 10,201.07 and 4,034.91

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Solution

The fourth proportional to 7,391.90, 10,201.07 and 4,034.91 is: 5,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.90 : 10,201.07 = 4,034.91 : x
  2. Step 2: Convert to fraction form
    7,391.90/10,201.07 = 4,034.91/x
  3. Step 3: Cross multiply
    7,391.90x = 10,201.07 × 4,034.91
  4. Step 4: Simplify right side
    7,391.90x = 41,160,447.69
  5. Step 5: Solve for x
    x = 41,160,447.69/7,391.90
  6. Step 6: Final answer
    x = 5,568.32

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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.