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Finding the Fourth Proportional to 3,242.76, 4,473.19 and 2,193

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Solution

The fourth proportional to 3,242.76, 4,473.19 and 2,193 is: 3,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.76 : 4,473.19 = 2,193 : x
  2. Step 2: Convert to fraction form
    3,242.76/4,473.19 = 2,193/x
  3. Step 3: Cross multiply
    3,242.76x = 4,473.19 × 2,193
  4. Step 4: Simplify right side
    3,242.76x = 9,809,705.67
  5. Step 5: Solve for x
    x = 9,809,705.67/3,242.76
  6. Step 6: Final answer
    x = 3,025.11

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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.