Home / 5,251.82-7,247.45-3,013.74

Finding the Fourth Proportional to 5,251.82, 7,247.45 and 3,013.74

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Solution

The fourth proportional to 5,251.82, 7,247.45 and 3,013.74 is: 4,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.82 : 7,247.45 = 3,013.74 : x
  2. Step 2: Convert to fraction form
    5,251.82/7,247.45 = 3,013.74/x
  3. Step 3: Cross multiply
    5,251.82x = 7,247.45 × 3,013.74
  4. Step 4: Simplify right side
    5,251.82x = 21,841,929.96
  5. Step 5: Solve for x
    x = 21,841,929.96/5,251.82
  6. Step 6: Final answer
    x = 4,158.93

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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.