Home / 3,926.90-5,891.52-2,280.44

Finding the Fourth Proportional to 3,926.90, 5,891.52 and 2,280.44

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Solution

The fourth proportional to 3,926.90, 5,891.52 and 2,280.44 is: 3,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.90 : 5,891.52 = 2,280.44 : x
  2. Step 2: Convert to fraction form
    3,926.90/5,891.52 = 2,280.44/x
  3. Step 3: Cross multiply
    3,926.90x = 5,891.52 × 2,280.44
  4. Step 4: Simplify right side
    3,926.90x = 13,435,257.87
  5. Step 5: Solve for x
    x = 13,435,257.87/3,926.90
  6. Step 6: Final answer
    x = 3,421.34

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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.