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Finding the Fourth Proportional to 3,151.91, 4,724.51 and 1,504.97

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Solution

The fourth proportional to 3,151.91, 4,724.51 and 1,504.97 is: 2,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.91 : 4,724.51 = 1,504.97 : x
  2. Step 2: Convert to fraction form
    3,151.91/4,724.51 = 1,504.97/x
  3. Step 3: Cross multiply
    3,151.91x = 4,724.51 × 1,504.97
  4. Step 4: Simplify right side
    3,151.91x = 7,110,214.67
  5. Step 5: Solve for x
    x = 7,110,214.67/3,151.91
  6. Step 6: Final answer
    x = 2,255.85

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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.