Home / 4,067.21-5,611.83-2,387.98

Finding the Fourth Proportional to 4,067.21, 5,611.83 and 2,387.98

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Solution

The fourth proportional to 4,067.21, 5,611.83 and 2,387.98 is: 3,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.21 : 5,611.83 = 2,387.98 : x
  2. Step 2: Convert to fraction form
    4,067.21/5,611.83 = 2,387.98/x
  3. Step 3: Cross multiply
    4,067.21x = 5,611.83 × 2,387.98
  4. Step 4: Simplify right side
    4,067.21x = 13,400,949.30
  5. Step 5: Solve for x
    x = 13,400,949.30/4,067.21
  6. Step 6: Final answer
    x = 3,294.87

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1.5x scale

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.