Home / 7,945.52-11,921.92-4,052.66

Finding the Fourth Proportional to 7,945.52, 11,921.92 and 4,052.66

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Solution

The fourth proportional to 7,945.52, 11,921.92 and 4,052.66 is: 6,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.52 : 11,921.92 = 4,052.66 : x
  2. Step 2: Convert to fraction form
    7,945.52/11,921.92 = 4,052.66/x
  3. Step 3: Cross multiply
    7,945.52x = 11,921.92 × 4,052.66
  4. Step 4: Simplify right side
    7,945.52x = 48,315,418.57
  5. Step 5: Solve for x
    x = 48,315,418.57/7,945.52
  6. Step 6: Final answer
    x = 6,080.84

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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.