Home / 2,553.12-3,829.96-1,092.42

Finding the Fourth Proportional to 2,553.12, 3,829.96 and 1,092.42

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Solution

The fourth proportional to 2,553.12, 3,829.96 and 1,092.42 is: 1,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.12 : 3,829.96 = 1,092.42 : x
  2. Step 2: Convert to fraction form
    2,553.12/3,829.96 = 1,092.42/x
  3. Step 3: Cross multiply
    2,553.12x = 3,829.96 × 1,092.42
  4. Step 4: Simplify right side
    2,553.12x = 4,183,924.90
  5. Step 5: Solve for x
    x = 4,183,924.90/2,553.12
  6. Step 6: Final answer
    x = 1,638.75

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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.