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Finding the Fourth Proportional to 5,795.01, 7,991.66 and 3,906.90

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Solution

The fourth proportional to 5,795.01, 7,991.66 and 3,906.90 is: 5,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.01 : 7,991.66 = 3,906.90 : x
  2. Step 2: Convert to fraction form
    5,795.01/7,991.66 = 3,906.90/x
  3. Step 3: Cross multiply
    5,795.01x = 7,991.66 × 3,906.90
  4. Step 4: Simplify right side
    5,795.01x = 31,222,626.22
  5. Step 5: Solve for x
    x = 31,222,626.22/5,795.01
  6. Step 6: Final answer
    x = 5,387.85

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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.