Home / 5,140.44-7,092.54-3,251.88

Finding the Fourth Proportional to 5,140.44, 7,092.54 and 3,251.88

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Solution

The fourth proportional to 5,140.44, 7,092.54 and 3,251.88 is: 4,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.44 : 7,092.54 = 3,251.88 : x
  2. Step 2: Convert to fraction form
    5,140.44/7,092.54 = 3,251.88/x
  3. Step 3: Cross multiply
    5,140.44x = 7,092.54 × 3,251.88
  4. Step 4: Simplify right side
    5,140.44x = 23,064,088.98
  5. Step 5: Solve for x
    x = 23,064,088.98/5,140.44
  6. Step 6: Final answer
    x = 4,486.79

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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.