Home / 3,269.89-4,512.83-1,943.61

Finding the Fourth Proportional to 3,269.89, 4,512.83 and 1,943.61

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Solution

The fourth proportional to 3,269.89, 4,512.83 and 1,943.61 is: 2,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.89 : 4,512.83 = 1,943.61 : x
  2. Step 2: Convert to fraction form
    3,269.89/4,512.83 = 1,943.61/x
  3. Step 3: Cross multiply
    3,269.89x = 4,512.83 × 1,943.61
  4. Step 4: Simplify right side
    3,269.89x = 8,771,181.52
  5. Step 5: Solve for x
    x = 8,771,181.52/3,269.89
  6. Step 6: Final answer
    x = 2,682.41

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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.