Home / 3,895.12-5,372.60-2,322

Finding the Fourth Proportional to 3,895.12, 5,372.60 and 2,322

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Solution

The fourth proportional to 3,895.12, 5,372.60 and 2,322 is: 3,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.12 : 5,372.60 = 2,322 : x
  2. Step 2: Convert to fraction form
    3,895.12/5,372.60 = 2,322/x
  3. Step 3: Cross multiply
    3,895.12x = 5,372.60 × 2,322
  4. Step 4: Simplify right side
    3,895.12x = 12,475,177.20
  5. Step 5: Solve for x
    x = 12,475,177.20/3,895.12
  6. Step 6: Final answer
    x = 3,202.77

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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.