Home / 5,768.57-7,961.25-3,531.95

Finding the Fourth Proportional to 5,768.57, 7,961.25 and 3,531.95

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Solution

The fourth proportional to 5,768.57, 7,961.25 and 3,531.95 is: 4,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.57 : 7,961.25 = 3,531.95 : x
  2. Step 2: Convert to fraction form
    5,768.57/7,961.25 = 3,531.95/x
  3. Step 3: Cross multiply
    5,768.57x = 7,961.25 × 3,531.95
  4. Step 4: Simplify right side
    5,768.57x = 28,118,736.94
  5. Step 5: Solve for x
    x = 28,118,736.94/5,768.57
  6. Step 6: Final answer
    x = 4,874.47

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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.