Home / 5,321.31-7,982.51-2,037.17

Finding the Fourth Proportional to 5,321.31, 7,982.51 and 2,037.17

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Solution

The fourth proportional to 5,321.31, 7,982.51 and 2,037.17 is: 3,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.31 : 7,982.51 = 2,037.17 : x
  2. Step 2: Convert to fraction form
    5,321.31/7,982.51 = 2,037.17/x
  3. Step 3: Cross multiply
    5,321.31x = 7,982.51 × 2,037.17
  4. Step 4: Simplify right side
    5,321.31x = 16,261,679.80
  5. Step 5: Solve for x
    x = 16,261,679.80/5,321.31
  6. Step 6: Final answer
    x = 3,055.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.