Home / 3,497.23-5,243.68-2,109.70

Finding the Fourth Proportional to 3,497.23, 5,243.68 and 2,109.70

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Solution

The fourth proportional to 3,497.23, 5,243.68 and 2,109.70 is: 3,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.23 : 5,243.68 = 2,109.70 : x
  2. Step 2: Convert to fraction form
    3,497.23/5,243.68 = 2,109.70/x
  3. Step 3: Cross multiply
    3,497.23x = 5,243.68 × 2,109.70
  4. Step 4: Simplify right side
    3,497.23x = 11,062,591.70
  5. Step 5: Solve for x
    x = 11,062,591.70/3,497.23
  6. Step 6: Final answer
    x = 3,163.24

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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.