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Finding the Fourth Proportional to 3,951.96, 5,454.03 and 2,183.95

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Solution

The fourth proportional to 3,951.96, 5,454.03 and 2,183.95 is: 3,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.96 : 5,454.03 = 2,183.95 : x
  2. Step 2: Convert to fraction form
    3,951.96/5,454.03 = 2,183.95/x
  3. Step 3: Cross multiply
    3,951.96x = 5,454.03 × 2,183.95
  4. Step 4: Simplify right side
    3,951.96x = 11,911,328.82
  5. Step 5: Solve for x
    x = 11,911,328.82/3,951.96
  6. Step 6: Final answer
    x = 3,014.03

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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.