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Finding the Fourth Proportional to 3,971.10, 5,957.04 and 1,373.70

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Solution

The fourth proportional to 3,971.10, 5,957.04 and 1,373.70 is: 2,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.10 : 5,957.04 = 1,373.70 : x
  2. Step 2: Convert to fraction form
    3,971.10/5,957.04 = 1,373.70/x
  3. Step 3: Cross multiply
    3,971.10x = 5,957.04 × 1,373.70
  4. Step 4: Simplify right side
    3,971.10x = 8,183,185.85
  5. Step 5: Solve for x
    x = 8,183,185.85/3,971.10
  6. Step 6: Final answer
    x = 2,060.68

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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.