Home / 4,092.82-5,647.11-2,390.36

Finding the Fourth Proportional to 4,092.82, 5,647.11 and 2,390.36

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Solution

The fourth proportional to 4,092.82, 5,647.11 and 2,390.36 is: 3,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.82 : 5,647.11 = 2,390.36 : x
  2. Step 2: Convert to fraction form
    4,092.82/5,647.11 = 2,390.36/x
  3. Step 3: Cross multiply
    4,092.82x = 5,647.11 × 2,390.36
  4. Step 4: Simplify right side
    4,092.82x = 13,498,639.98
  5. Step 5: Solve for x
    x = 13,498,639.98/4,092.82
  6. Step 6: Final answer
    x = 3,298.12

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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.