Home / 3,136.46-4,324.76-2,000.61

Finding the Fourth Proportional to 3,136.46, 4,324.76 and 2,000.61

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Solution

The fourth proportional to 3,136.46, 4,324.76 and 2,000.61 is: 2,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.46 : 4,324.76 = 2,000.61 : x
  2. Step 2: Convert to fraction form
    3,136.46/4,324.76 = 2,000.61/x
  3. Step 3: Cross multiply
    3,136.46x = 4,324.76 × 2,000.61
  4. Step 4: Simplify right side
    3,136.46x = 8,652,155.60
  5. Step 5: Solve for x
    x = 8,652,155.60/3,136.46
  6. Step 6: Final answer
    x = 2,758.58

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Half scale
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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.