Home / 4,092.11-6,139.99-2,143.86

Finding the Fourth Proportional to 4,092.11, 6,139.99 and 2,143.86

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Solution

The fourth proportional to 4,092.11, 6,139.99 and 2,143.86 is: 3,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.11 : 6,139.99 = 2,143.86 : x
  2. Step 2: Convert to fraction form
    4,092.11/6,139.99 = 2,143.86/x
  3. Step 3: Cross multiply
    4,092.11x = 6,139.99 × 2,143.86
  4. Step 4: Simplify right side
    4,092.11x = 13,163,278.96
  5. Step 5: Solve for x
    x = 13,163,278.96/4,092.11
  6. Step 6: Final answer
    x = 3,216.75

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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.