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Finding the Fourth Proportional to 3,593, 4,958.63 and 2,021.21

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Solution

The fourth proportional to 3,593, 4,958.63 and 2,021.21 is: 2,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593 : 4,958.63 = 2,021.21 : x
  2. Step 2: Convert to fraction form
    3,593/4,958.63 = 2,021.21/x
  3. Step 3: Cross multiply
    3,593x = 4,958.63 × 2,021.21
  4. Step 4: Simplify right side
    3,593x = 10,022,422.44
  5. Step 5: Solve for x
    x = 10,022,422.44/3,593
  6. Step 6: Final answer
    x = 2,789.43

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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.