Home / 7,951.48-11,932.69-2,757.36

Finding the Fourth Proportional to 7,951.48, 11,932.69 and 2,757.36

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Solution

The fourth proportional to 7,951.48, 11,932.69 and 2,757.36 is: 4,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.48 : 11,932.69 = 2,757.36 : x
  2. Step 2: Convert to fraction form
    7,951.48/11,932.69 = 2,757.36/x
  3. Step 3: Cross multiply
    7,951.48x = 11,932.69 × 2,757.36
  4. Step 4: Simplify right side
    7,951.48x = 32,902,722.10
  5. Step 5: Solve for x
    x = 32,902,722.10/7,951.48
  6. Step 6: Final answer
    x = 4,137.94

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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.