Home / 3,165.94-4,748.85-1,432.54

Finding the Fourth Proportional to 3,165.94, 4,748.85 and 1,432.54

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Solution

The fourth proportional to 3,165.94, 4,748.85 and 1,432.54 is: 2,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.94 : 4,748.85 = 1,432.54 : x
  2. Step 2: Convert to fraction form
    3,165.94/4,748.85 = 1,432.54/x
  3. Step 3: Cross multiply
    3,165.94x = 4,748.85 × 1,432.54
  4. Step 4: Simplify right side
    3,165.94x = 6,802,917.58
  5. Step 5: Solve for x
    x = 6,802,917.58/3,165.94
  6. Step 6: Final answer
    x = 2,148.78

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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.