Home / 6,136.52-8,459.88-4,143.92

Finding the Fourth Proportional to 6,136.52, 8,459.88 and 4,143.92

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Solution

The fourth proportional to 6,136.52, 8,459.88 and 4,143.92 is: 5,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.52 : 8,459.88 = 4,143.92 : x
  2. Step 2: Convert to fraction form
    6,136.52/8,459.88 = 4,143.92/x
  3. Step 3: Cross multiply
    6,136.52x = 8,459.88 × 4,143.92
  4. Step 4: Simplify right side
    6,136.52x = 35,057,023.63
  5. Step 5: Solve for x
    x = 35,057,023.63/6,136.52
  6. Step 6: Final answer
    x = 5,712.86

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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.