Home / 6,151.53-8,491.86-4,168.11

Finding the Fourth Proportional to 6,151.53, 8,491.86 and 4,168.11

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Solution

The fourth proportional to 6,151.53, 8,491.86 and 4,168.11 is: 5,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.53 : 8,491.86 = 4,168.11 : x
  2. Step 2: Convert to fraction form
    6,151.53/8,491.86 = 4,168.11/x
  3. Step 3: Cross multiply
    6,151.53x = 8,491.86 × 4,168.11
  4. Step 4: Simplify right side
    6,151.53x = 35,395,006.58
  5. Step 5: Solve for x
    x = 35,395,006.58/6,151.53
  6. Step 6: Final answer
    x = 5,753.85

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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.