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Finding the Fourth Proportional to 4,073, 5,620.96 and 2,580.40

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Solution

The fourth proportional to 4,073, 5,620.96 and 2,580.40 is: 3,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073 : 5,620.96 = 2,580.40 : x
  2. Step 2: Convert to fraction form
    4,073/5,620.96 = 2,580.40/x
  3. Step 3: Cross multiply
    4,073x = 5,620.96 × 2,580.40
  4. Step 4: Simplify right side
    4,073x = 14,504,325.18
  5. Step 5: Solve for x
    x = 14,504,325.18/4,073
  6. Step 6: Final answer
    x = 3,561.09

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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.