Home / 3,769.62-5,201.64-2,176.02

Finding the Fourth Proportional to 3,769.62, 5,201.64 and 2,176.02

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Solution

The fourth proportional to 3,769.62, 5,201.64 and 2,176.02 is: 3,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.62 : 5,201.64 = 2,176.02 : x
  2. Step 2: Convert to fraction form
    3,769.62/5,201.64 = 2,176.02/x
  3. Step 3: Cross multiply
    3,769.62x = 5,201.64 × 2,176.02
  4. Step 4: Simplify right side
    3,769.62x = 11,318,872.67
  5. Step 5: Solve for x
    x = 11,318,872.67/3,769.62
  6. Step 6: Final answer
    x = 3,002.66

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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.