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Finding the Fourth Proportional to 3,593.90, 4,959.59 and 2,021.90

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Solution

The fourth proportional to 3,593.90, 4,959.59 and 2,021.90 is: 2,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.90 : 4,959.59 = 2,021.90 : x
  2. Step 2: Convert to fraction form
    3,593.90/4,959.59 = 2,021.90/x
  3. Step 3: Cross multiply
    3,593.90x = 4,959.59 × 2,021.90
  4. Step 4: Simplify right side
    3,593.90x = 10,027,760.11
  5. Step 5: Solve for x
    x = 10,027,760.11/3,593.90
  6. Step 6: Final answer
    x = 2,790.22

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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.