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Finding the Fourth Proportional to 4,321.91, 5,964.08 and 2,646.11

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Solution

The fourth proportional to 4,321.91, 5,964.08 and 2,646.11 is: 3,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.91 : 5,964.08 = 2,646.11 : x
  2. Step 2: Convert to fraction form
    4,321.91/5,964.08 = 2,646.11/x
  3. Step 3: Cross multiply
    4,321.91x = 5,964.08 × 2,646.11
  4. Step 4: Simplify right side
    4,321.91x = 15,781,568.68
  5. Step 5: Solve for x
    x = 15,781,568.68/4,321.91
  6. Step 6: Final answer
    x = 3,651.53

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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.