Home / 5,423.11-8,135.03-2,092.95

Finding the Fourth Proportional to 5,423.11, 8,135.03 and 2,092.95

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Solution

The fourth proportional to 5,423.11, 8,135.03 and 2,092.95 is: 3,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.11 : 8,135.03 = 2,092.95 : x
  2. Step 2: Convert to fraction form
    5,423.11/8,135.03 = 2,092.95/x
  3. Step 3: Cross multiply
    5,423.11x = 8,135.03 × 2,092.95
  4. Step 4: Simplify right side
    5,423.11x = 17,026,227.71
  5. Step 5: Solve for x
    x = 17,026,227.71/5,423.11
  6. Step 6: Final answer
    x = 3,139.57

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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.