Home / 3,611.82-5,418.50-2,052.56

Finding the Fourth Proportional to 3,611.82, 5,418.50 and 2,052.56

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Solution

The fourth proportional to 3,611.82, 5,418.50 and 2,052.56 is: 3,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.82 : 5,418.50 = 2,052.56 : x
  2. Step 2: Convert to fraction form
    3,611.82/5,418.50 = 2,052.56/x
  3. Step 3: Cross multiply
    3,611.82x = 5,418.50 × 2,052.56
  4. Step 4: Simplify right side
    3,611.82x = 11,121,769.16
  5. Step 5: Solve for x
    x = 11,121,769.16/3,611.82
  6. Step 6: Final answer
    x = 3,079.27

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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.