Home / 4,092.16-6,126.80-2,211.31

Finding the Fourth Proportional to 4,092.16, 6,126.80 and 2,211.31

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Solution

The fourth proportional to 4,092.16, 6,126.80 and 2,211.31 is: 3,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.16 : 6,126.80 = 2,211.31 : x
  2. Step 2: Convert to fraction form
    4,092.16/6,126.80 = 2,211.31/x
  3. Step 3: Cross multiply
    4,092.16x = 6,126.80 × 2,211.31
  4. Step 4: Simplify right side
    4,092.16x = 13,548,254.11
  5. Step 5: Solve for x
    x = 13,548,254.11/4,092.16
  6. Step 6: Final answer
    x = 3,310.78

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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.