Home / 6,371.15-8,791.76-3,538.29

Finding the Fourth Proportional to 6,371.15, 8,791.76 and 3,538.29

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Solution

The fourth proportional to 6,371.15, 8,791.76 and 3,538.29 is: 4,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.15 : 8,791.76 = 3,538.29 : x
  2. Step 2: Convert to fraction form
    6,371.15/8,791.76 = 3,538.29/x
  3. Step 3: Cross multiply
    6,371.15x = 8,791.76 × 3,538.29
  4. Step 4: Simplify right side
    6,371.15x = 31,107,778.80
  5. Step 5: Solve for x
    x = 31,107,778.80/6,371.15
  6. Step 6: Final answer
    x = 4,882.60

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1.5x scale

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.