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Finding the Fourth Proportional to 4,216.75, 5,819.12 and 2,353.75

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Solution

The fourth proportional to 4,216.75, 5,819.12 and 2,353.75 is: 3,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.75 : 5,819.12 = 2,353.75 : x
  2. Step 2: Convert to fraction form
    4,216.75/5,819.12 = 2,353.75/x
  3. Step 3: Cross multiply
    4,216.75x = 5,819.12 × 2,353.75
  4. Step 4: Simplify right side
    4,216.75x = 13,696,753.70
  5. Step 5: Solve for x
    x = 13,696,753.70/4,216.75
  6. Step 6: Final answer
    x = 3,248.18

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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.