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Finding the Fourth Proportional to 3,010.88, 4,151.88 and 2,380.41

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Solution

The fourth proportional to 3,010.88, 4,151.88 and 2,380.41 is: 3,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.88 : 4,151.88 = 2,380.41 : x
  2. Step 2: Convert to fraction form
    3,010.88/4,151.88 = 2,380.41/x
  3. Step 3: Cross multiply
    3,010.88x = 4,151.88 × 2,380.41
  4. Step 4: Simplify right side
    3,010.88x = 9,883,195.04
  5. Step 5: Solve for x
    x = 9,883,195.04/3,010.88
  6. Step 6: Final answer
    x = 3,282.49

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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.