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Finding the Fourth Proportional to 2,095.93, 3,141.46 and 939.25

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Solution

The fourth proportional to 2,095.93, 3,141.46 and 939.25 is: 1,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.93 : 3,141.46 = 939.25 : x
  2. Step 2: Convert to fraction form
    2,095.93/3,141.46 = 939.25/x
  3. Step 3: Cross multiply
    2,095.93x = 3,141.46 × 939.25
  4. Step 4: Simplify right side
    2,095.93x = 2,950,616.31
  5. Step 5: Solve for x
    x = 2,950,616.31/2,095.93
  6. Step 6: Final answer
    x = 1,407.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.