Home / 6,175.11-8,524.38-3,939.91

Finding the Fourth Proportional to 6,175.11, 8,524.38 and 3,939.91

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Solution

The fourth proportional to 6,175.11, 8,524.38 and 3,939.91 is: 5,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.11 : 8,524.38 = 3,939.91 : x
  2. Step 2: Convert to fraction form
    6,175.11/8,524.38 = 3,939.91/x
  3. Step 3: Cross multiply
    6,175.11x = 8,524.38 × 3,939.91
  4. Step 4: Simplify right side
    6,175.11x = 33,585,290.01
  5. Step 5: Solve for x
    x = 33,585,290.01/6,175.11
  6. Step 6: Final answer
    x = 5,438.82

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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.