Home / 3,871.26-5,343.57-2,474.01

Finding the Fourth Proportional to 3,871.26, 5,343.57 and 2,474.01

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Solution

The fourth proportional to 3,871.26, 5,343.57 and 2,474.01 is: 3,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.26 : 5,343.57 = 2,474.01 : x
  2. Step 2: Convert to fraction form
    3,871.26/5,343.57 = 2,474.01/x
  3. Step 3: Cross multiply
    3,871.26x = 5,343.57 × 2,474.01
  4. Step 4: Simplify right side
    3,871.26x = 13,220,045.62
  5. Step 5: Solve for x
    x = 13,220,045.62/3,871.26
  6. Step 6: Final answer
    x = 3,414.92

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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.