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Finding the Fourth Proportional to 2,659.44, 3,672.18 and 2,379.18

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Solution

The fourth proportional to 2,659.44, 3,672.18 and 2,379.18 is: 3,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.44 : 3,672.18 = 2,379.18 : x
  2. Step 2: Convert to fraction form
    2,659.44/3,672.18 = 2,379.18/x
  3. Step 3: Cross multiply
    2,659.44x = 3,672.18 × 2,379.18
  4. Step 4: Simplify right side
    2,659.44x = 8,736,777.21
  5. Step 5: Solve for x
    x = 8,736,777.21/2,659.44
  6. Step 6: Final answer
    x = 3,285.19

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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.