Home / 3,255.18-4,885.20-2,613.66

Finding the Fourth Proportional to 3,255.18, 4,885.20 and 2,613.66

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Solution

The fourth proportional to 3,255.18, 4,885.20 and 2,613.66 is: 3,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.18 : 4,885.20 = 2,613.66 : x
  2. Step 2: Convert to fraction form
    3,255.18/4,885.20 = 2,613.66/x
  3. Step 3: Cross multiply
    3,255.18x = 4,885.20 × 2,613.66
  4. Step 4: Simplify right side
    3,255.18x = 12,768,251.83
  5. Step 5: Solve for x
    x = 12,768,251.83/3,255.18
  6. Step 6: Final answer
    x = 3,922.44

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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.