Home / 3,542.87-5,309.26-2,611.10

Finding the Fourth Proportional to 3,542.87, 5,309.26 and 2,611.10

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Solution

The fourth proportional to 3,542.87, 5,309.26 and 2,611.10 is: 3,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.87 : 5,309.26 = 2,611.10 : x
  2. Step 2: Convert to fraction form
    3,542.87/5,309.26 = 2,611.10/x
  3. Step 3: Cross multiply
    3,542.87x = 5,309.26 × 2,611.10
  4. Step 4: Simplify right side
    3,542.87x = 13,863,008.79
  5. Step 5: Solve for x
    x = 13,863,008.79/3,542.87
  6. Step 6: Final answer
    x = 3,912.93

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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.