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Finding the Fourth Proportional to 3,734.66, 5,602.40 and 1,395.79

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Solution

The fourth proportional to 3,734.66, 5,602.40 and 1,395.79 is: 2,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.66 : 5,602.40 = 1,395.79 : x
  2. Step 2: Convert to fraction form
    3,734.66/5,602.40 = 1,395.79/x
  3. Step 3: Cross multiply
    3,734.66x = 5,602.40 × 1,395.79
  4. Step 4: Simplify right side
    3,734.66x = 7,819,758.15
  5. Step 5: Solve for x
    x = 7,819,758.15/3,734.66
  6. Step 6: Final answer
    x = 2,093.83

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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.