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Finding the Fourth Proportional to 2,882.18, 4,321.15 and 1,895.30

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Solution

The fourth proportional to 2,882.18, 4,321.15 and 1,895.30 is: 2,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.18 : 4,321.15 = 1,895.30 : x
  2. Step 2: Convert to fraction form
    2,882.18/4,321.15 = 1,895.30/x
  3. Step 3: Cross multiply
    2,882.18x = 4,321.15 × 1,895.30
  4. Step 4: Simplify right side
    2,882.18x = 8,189,865.46
  5. Step 5: Solve for x
    x = 8,189,865.46/2,882.18
  6. Step 6: Final answer
    x = 2,841.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.