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Finding the Fourth Proportional to 4,073, 5,620.78 and 2,210.04

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Solution

The fourth proportional to 4,073, 5,620.78 and 2,210.04 is: 3,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073 : 5,620.78 = 2,210.04 : x
  2. Step 2: Convert to fraction form
    4,073/5,620.78 = 2,210.04/x
  3. Step 3: Cross multiply
    4,073x = 5,620.78 × 2,210.04
  4. Step 4: Simplify right side
    4,073x = 12,422,148.63
  5. Step 5: Solve for x
    x = 12,422,148.63/4,073
  6. Step 6: Final answer
    x = 3,049.88

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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.