Home / 3,044.27-4,220.22-2,877.95

Finding the Fourth Proportional to 3,044.27, 4,220.22 and 2,877.95

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Solution

The fourth proportional to 3,044.27, 4,220.22 and 2,877.95 is: 3,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,044.27 : 4,220.22 = 2,877.95 : x
  2. Step 2: Convert to fraction form
    3,044.27/4,220.22 = 2,877.95/x
  3. Step 3: Cross multiply
    3,044.27x = 4,220.22 × 2,877.95
  4. Step 4: Simplify right side
    3,044.27x = 12,145,561.05
  5. Step 5: Solve for x
    x = 12,145,561.05/3,044.27
  6. Step 6: Final answer
    x = 3,989.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.