Home / 2,543.27-3,817.67-2,136.85

Finding the Fourth Proportional to 2,543.27, 3,817.67 and 2,136.85

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Solution

The fourth proportional to 2,543.27, 3,817.67 and 2,136.85 is: 3,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.27 : 3,817.67 = 2,136.85 : x
  2. Step 2: Convert to fraction form
    2,543.27/3,817.67 = 2,136.85/x
  3. Step 3: Cross multiply
    2,543.27x = 3,817.67 × 2,136.85
  4. Step 4: Simplify right side
    2,543.27x = 8,157,767.91
  5. Step 5: Solve for x
    x = 8,157,767.91/2,543.27
  6. Step 6: Final answer
    x = 3,207.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.