Home / 2,793.18-3,850.92-2,321.48

Finding the Fourth Proportional to 2,793.18, 3,850.92 and 2,321.48

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Solution

The fourth proportional to 2,793.18, 3,850.92 and 2,321.48 is: 3,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.18 : 3,850.92 = 2,321.48 : x
  2. Step 2: Convert to fraction form
    2,793.18/3,850.92 = 2,321.48/x
  3. Step 3: Cross multiply
    2,793.18x = 3,850.92 × 2,321.48
  4. Step 4: Simplify right side
    2,793.18x = 8,939,833.76
  5. Step 5: Solve for x
    x = 8,939,833.76/2,793.18
  6. Step 6: Final answer
    x = 3,200.59

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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.