Home / 6,556.28-9,047.30-3,761.78

Finding the Fourth Proportional to 6,556.28, 9,047.30 and 3,761.78

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Solution

The fourth proportional to 6,556.28, 9,047.30 and 3,761.78 is: 5,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.28 : 9,047.30 = 3,761.78 : x
  2. Step 2: Convert to fraction form
    6,556.28/9,047.30 = 3,761.78/x
  3. Step 3: Cross multiply
    6,556.28x = 9,047.30 × 3,761.78
  4. Step 4: Simplify right side
    6,556.28x = 34,033,952.19
  5. Step 5: Solve for x
    x = 34,033,952.19/6,556.28
  6. Step 6: Final answer
    x = 5,191.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.