Home / 3,815.31-5,264.85-2,322.99

Finding the Fourth Proportional to 3,815.31, 5,264.85 and 2,322.99

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Solution

The fourth proportional to 3,815.31, 5,264.85 and 2,322.99 is: 3,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.31 : 5,264.85 = 2,322.99 : x
  2. Step 2: Convert to fraction form
    3,815.31/5,264.85 = 2,322.99/x
  3. Step 3: Cross multiply
    3,815.31x = 5,264.85 × 2,322.99
  4. Step 4: Simplify right side
    3,815.31x = 12,230,202.61
  5. Step 5: Solve for x
    x = 12,230,202.61/3,815.31
  6. Step 6: Final answer
    x = 3,205.56

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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.