Home / 2,892.26-3,991.14-1,616.04

Finding the Fourth Proportional to 2,892.26, 3,991.14 and 1,616.04

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Solution

The fourth proportional to 2,892.26, 3,991.14 and 1,616.04 is: 2,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.26 : 3,991.14 = 1,616.04 : x
  2. Step 2: Convert to fraction form
    2,892.26/3,991.14 = 1,616.04/x
  3. Step 3: Cross multiply
    2,892.26x = 3,991.14 × 1,616.04
  4. Step 4: Simplify right side
    2,892.26x = 6,449,841.89
  5. Step 5: Solve for x
    x = 6,449,841.89/2,892.26
  6. Step 6: Final answer
    x = 2,230.04

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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.