Home / 3,432.25-4,734.92-2,015.48

Finding the Fourth Proportional to 3,432.25, 4,734.92 and 2,015.48

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Solution

The fourth proportional to 3,432.25, 4,734.92 and 2,015.48 is: 2,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.25 : 4,734.92 = 2,015.48 : x
  2. Step 2: Convert to fraction form
    3,432.25/4,734.92 = 2,015.48/x
  3. Step 3: Cross multiply
    3,432.25x = 4,734.92 × 2,015.48
  4. Step 4: Simplify right side
    3,432.25x = 9,543,136.56
  5. Step 5: Solve for x
    x = 9,543,136.56/3,432.25
  6. Step 6: Final answer
    x = 2,780.43

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1.5x scale

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.