Home / 2,928.19-4,380.62-2,542.73

Finding the Fourth Proportional to 2,928.19, 4,380.62 and 2,542.73

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Solution

The fourth proportional to 2,928.19, 4,380.62 and 2,542.73 is: 3,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.19 : 4,380.62 = 2,542.73 : x
  2. Step 2: Convert to fraction form
    2,928.19/4,380.62 = 2,542.73/x
  3. Step 3: Cross multiply
    2,928.19x = 4,380.62 × 2,542.73
  4. Step 4: Simplify right side
    2,928.19x = 11,138,721.18
  5. Step 5: Solve for x
    x = 11,138,721.18/2,928.19
  6. Step 6: Final answer
    x = 3,803.97

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1.5x scale

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.