Home / 3,982.88-5,496.32-2,214.52

Finding the Fourth Proportional to 3,982.88, 5,496.32 and 2,214.52

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Solution

The fourth proportional to 3,982.88, 5,496.32 and 2,214.52 is: 3,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.88 : 5,496.32 = 2,214.52 : x
  2. Step 2: Convert to fraction form
    3,982.88/5,496.32 = 2,214.52/x
  3. Step 3: Cross multiply
    3,982.88x = 5,496.32 × 2,214.52
  4. Step 4: Simplify right side
    3,982.88x = 12,171,710.57
  5. Step 5: Solve for x
    x = 12,171,710.57/3,982.88
  6. Step 6: Final answer
    x = 3,056.01

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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.