Home / 6,375.54-9,556.38-2,679.78

Finding the Fourth Proportional to 6,375.54, 9,556.38 and 2,679.78

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Solution

The fourth proportional to 6,375.54, 9,556.38 and 2,679.78 is: 4,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.54 : 9,556.38 = 2,679.78 : x
  2. Step 2: Convert to fraction form
    6,375.54/9,556.38 = 2,679.78/x
  3. Step 3: Cross multiply
    6,375.54x = 9,556.38 × 2,679.78
  4. Step 4: Simplify right side
    6,375.54x = 25,608,996.00
  5. Step 5: Solve for x
    x = 25,608,996.00/6,375.54
  6. Step 6: Final answer
    x = 4,016.76

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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.