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Finding the Fourth Proportional to 3,974.22, 5,483.15 and 2,295.39

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Solution

The fourth proportional to 3,974.22, 5,483.15 and 2,295.39 is: 3,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.22 : 5,483.15 = 2,295.39 : x
  2. Step 2: Convert to fraction form
    3,974.22/5,483.15 = 2,295.39/x
  3. Step 3: Cross multiply
    3,974.22x = 5,483.15 × 2,295.39
  4. Step 4: Simplify right side
    3,974.22x = 12,585,956.20
  5. Step 5: Solve for x
    x = 12,585,956.20/3,974.22
  6. Step 6: Final answer
    x = 3,166.90

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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.