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Finding the Fourth Proportional to 3,755.43, 5,180.45 and 2,262.45

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Solution

The fourth proportional to 3,755.43, 5,180.45 and 2,262.45 is: 3,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.43 : 5,180.45 = 2,262.45 : x
  2. Step 2: Convert to fraction form
    3,755.43/5,180.45 = 2,262.45/x
  3. Step 3: Cross multiply
    3,755.43x = 5,180.45 × 2,262.45
  4. Step 4: Simplify right side
    3,755.43x = 11,720,509.10
  5. Step 5: Solve for x
    x = 11,720,509.10/3,755.43
  6. Step 6: Final answer
    x = 3,120.95

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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.