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Finding the Fourth Proportional to 3,910.59, 5,395.41 and 2,208.83

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Solution

The fourth proportional to 3,910.59, 5,395.41 and 2,208.83 is: 3,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.59 : 5,395.41 = 2,208.83 : x
  2. Step 2: Convert to fraction form
    3,910.59/5,395.41 = 2,208.83/x
  3. Step 3: Cross multiply
    3,910.59x = 5,395.41 × 2,208.83
  4. Step 4: Simplify right side
    3,910.59x = 11,917,516.49
  5. Step 5: Solve for x
    x = 11,917,516.49/3,910.59
  6. Step 6: Final answer
    x = 3,047.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.