Home / 6,180.12-8,531.28-3,944.91

Finding the Fourth Proportional to 6,180.12, 8,531.28 and 3,944.91

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Solution

The fourth proportional to 6,180.12, 8,531.28 and 3,944.91 is: 5,445.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.12 : 8,531.28 = 3,944.91 : x
  2. Step 2: Convert to fraction form
    6,180.12/8,531.28 = 3,944.91/x
  3. Step 3: Cross multiply
    6,180.12x = 8,531.28 × 3,944.91
  4. Step 4: Simplify right side
    6,180.12x = 33,655,131.78
  5. Step 5: Solve for x
    x = 33,655,131.78/6,180.12
  6. Step 6: Final answer
    x = 5,445.71

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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.