Home / 7,874.45-11,813.31-2,327.36

Finding the Fourth Proportional to 7,874.45, 11,813.31 and 2,327.36

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Solution

The fourth proportional to 7,874.45, 11,813.31 and 2,327.36 is: 3,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.45 : 11,813.31 = 2,327.36 : x
  2. Step 2: Convert to fraction form
    7,874.45/11,813.31 = 2,327.36/x
  3. Step 3: Cross multiply
    7,874.45x = 11,813.31 × 2,327.36
  4. Step 4: Simplify right side
    7,874.45x = 27,493,766.10
  5. Step 5: Solve for x
    x = 27,493,766.10/7,874.45
  6. Step 6: Final answer
    x = 3,491.52

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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.