Home / 7,957.20-11,932.51-3,454.54

Finding the Fourth Proportional to 7,957.20, 11,932.51 and 3,454.54

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Solution

The fourth proportional to 7,957.20, 11,932.51 and 3,454.54 is: 5,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.20 : 11,932.51 = 3,454.54 : x
  2. Step 2: Convert to fraction form
    7,957.20/11,932.51 = 3,454.54/x
  3. Step 3: Cross multiply
    7,957.20x = 11,932.51 × 3,454.54
  4. Step 4: Simplify right side
    7,957.20x = 41,221,333.10
  5. Step 5: Solve for x
    x = 41,221,333.10/7,957.20
  6. Step 6: Final answer
    x = 5,180.38

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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.