Home / 3,450.60-4,772.52-3,392.28

Finding the Fourth Proportional to 3,450.60, 4,772.52 and 3,392.28

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Solution

The fourth proportional to 3,450.60, 4,772.52 and 3,392.28 is: 4,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.60 : 4,772.52 = 3,392.28 : x
  2. Step 2: Convert to fraction form
    3,450.60/4,772.52 = 3,392.28/x
  3. Step 3: Cross multiply
    3,450.60x = 4,772.52 × 3,392.28
  4. Step 4: Simplify right side
    3,450.60x = 16,189,724.15
  5. Step 5: Solve for x
    x = 16,189,724.15/3,450.60
  6. Step 6: Final answer
    x = 4,691.86

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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.