Home / 6,151.92-8,489.49-3,761.10

Finding the Fourth Proportional to 6,151.92, 8,489.49 and 3,761.10

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Solution

The fourth proportional to 6,151.92, 8,489.49 and 3,761.10 is: 5,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.92 : 8,489.49 = 3,761.10 : x
  2. Step 2: Convert to fraction form
    6,151.92/8,489.49 = 3,761.10/x
  3. Step 3: Cross multiply
    6,151.92x = 8,489.49 × 3,761.10
  4. Step 4: Simplify right side
    6,151.92x = 31,929,820.84
  5. Step 5: Solve for x
    x = 31,929,820.84/6,151.92
  6. Step 6: Final answer
    x = 5,190.22

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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.