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Finding the Fourth Proportional to 5,395.95, 7,443.50 and 3,714.39

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Solution

The fourth proportional to 5,395.95, 7,443.50 and 3,714.39 is: 5,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.95 : 7,443.50 = 3,714.39 : x
  2. Step 2: Convert to fraction form
    5,395.95/7,443.50 = 3,714.39/x
  3. Step 3: Cross multiply
    5,395.95x = 7,443.50 × 3,714.39
  4. Step 4: Simplify right side
    5,395.95x = 27,648,043.39
  5. Step 5: Solve for x
    x = 27,648,043.39/5,395.95
  6. Step 6: Final answer
    x = 5,123.85

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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.