Home / 7,629.52-11,442.36-2,432.72

Finding the Fourth Proportional to 7,629.52, 11,442.36 and 2,432.72

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Solution

The fourth proportional to 7,629.52, 11,442.36 and 2,432.72 is: 3,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.52 : 11,442.36 = 2,432.72 : x
  2. Step 2: Convert to fraction form
    7,629.52/11,442.36 = 2,432.72/x
  3. Step 3: Cross multiply
    7,629.52x = 11,442.36 × 2,432.72
  4. Step 4: Simplify right side
    7,629.52x = 27,836,058.02
  5. Step 5: Solve for x
    x = 27,836,058.02/7,629.52
  6. Step 6: Final answer
    x = 3,648.47

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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.