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Finding the Fourth Proportional to 3,273.08, 4,515.90 and 2,031.08

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Solution

The fourth proportional to 3,273.08, 4,515.90 and 2,031.08 is: 2,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.08 : 4,515.90 = 2,031.08 : x
  2. Step 2: Convert to fraction form
    3,273.08/4,515.90 = 2,031.08/x
  3. Step 3: Cross multiply
    3,273.08x = 4,515.90 × 2,031.08
  4. Step 4: Simplify right side
    3,273.08x = 9,172,154.17
  5. Step 5: Solve for x
    x = 9,172,154.17/3,273.08
  6. Step 6: Final answer
    x = 2,802.30

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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.