Home / 7,179.28-9,906.33-4,034.86

Finding the Fourth Proportional to 7,179.28, 9,906.33 and 4,034.86

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Solution

The fourth proportional to 7,179.28, 9,906.33 and 4,034.86 is: 5,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.28 : 9,906.33 = 4,034.86 : x
  2. Step 2: Convert to fraction form
    7,179.28/9,906.33 = 4,034.86/x
  3. Step 3: Cross multiply
    7,179.28x = 9,906.33 × 4,034.86
  4. Step 4: Simplify right side
    7,179.28x = 39,970,645.03
  5. Step 5: Solve for x
    x = 39,970,645.03/7,179.28
  6. Step 6: Final answer
    x = 5,567.50

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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.