Home / 3,216.84-4,439.40-2,517

Finding the Fourth Proportional to 3,216.84, 4,439.40 and 2,517

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Solution

The fourth proportional to 3,216.84, 4,439.40 and 2,517 is: 3,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.84 : 4,439.40 = 2,517 : x
  2. Step 2: Convert to fraction form
    3,216.84/4,439.40 = 2,517/x
  3. Step 3: Cross multiply
    3,216.84x = 4,439.40 × 2,517
  4. Step 4: Simplify right side
    3,216.84x = 11,173,969.80
  5. Step 5: Solve for x
    x = 11,173,969.80/3,216.84
  6. Step 6: Final answer
    x = 3,473.59

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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.