Home / 5,261.13-7,892.03-1,974.31

Finding the Fourth Proportional to 5,261.13, 7,892.03 and 1,974.31

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Solution

The fourth proportional to 5,261.13, 7,892.03 and 1,974.31 is: 2,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.13 : 7,892.03 = 1,974.31 : x
  2. Step 2: Convert to fraction form
    5,261.13/7,892.03 = 1,974.31/x
  3. Step 3: Cross multiply
    5,261.13x = 7,892.03 × 1,974.31
  4. Step 4: Simplify right side
    5,261.13x = 15,581,282.31
  5. Step 5: Solve for x
    x = 15,581,282.31/5,261.13
  6. Step 6: Final answer
    x = 2,961.59

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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.