Home / 5,878.52-8,112.31-3,225.95

Finding the Fourth Proportional to 5,878.52, 8,112.31 and 3,225.95

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Solution

The fourth proportional to 5,878.52, 8,112.31 and 3,225.95 is: 4,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.52 : 8,112.31 = 3,225.95 : x
  2. Step 2: Convert to fraction form
    5,878.52/8,112.31 = 3,225.95/x
  3. Step 3: Cross multiply
    5,878.52x = 8,112.31 × 3,225.95
  4. Step 4: Simplify right side
    5,878.52x = 26,169,906.44
  5. Step 5: Solve for x
    x = 26,169,906.44/5,878.52
  6. Step 6: Final answer
    x = 4,451.78

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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.