Home / 9,287.20-13,930.65-3,740.41

Finding the Fourth Proportional to 9,287.20, 13,930.65 and 3,740.41

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Solution

The fourth proportional to 9,287.20, 13,930.65 and 3,740.41 is: 5,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.20 : 13,930.65 = 3,740.41 : x
  2. Step 2: Convert to fraction form
    9,287.20/13,930.65 = 3,740.41/x
  3. Step 3: Cross multiply
    9,287.20x = 13,930.65 × 3,740.41
  4. Step 4: Simplify right side
    9,287.20x = 52,106,359.98
  5. Step 5: Solve for x
    x = 52,106,359.98/9,287.20
  6. Step 6: Final answer
    x = 5,610.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.