Home / 5,406.20-7,461.27-3,168.95

Finding the Fourth Proportional to 5,406.20, 7,461.27 and 3,168.95

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Solution

The fourth proportional to 5,406.20, 7,461.27 and 3,168.95 is: 4,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.20 : 7,461.27 = 3,168.95 : x
  2. Step 2: Convert to fraction form
    5,406.20/7,461.27 = 3,168.95/x
  3. Step 3: Cross multiply
    5,406.20x = 7,461.27 × 3,168.95
  4. Step 4: Simplify right side
    5,406.20x = 23,644,375.72
  5. Step 5: Solve for x
    x = 23,644,375.72/5,406.20
  6. Step 6: Final answer
    x = 4,373.57

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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.