Home / 3,172.08-4,375.14-2,332.50

Finding the Fourth Proportional to 3,172.08, 4,375.14 and 2,332.50

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Solution

The fourth proportional to 3,172.08, 4,375.14 and 2,332.50 is: 3,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.08 : 4,375.14 = 2,332.50 : x
  2. Step 2: Convert to fraction form
    3,172.08/4,375.14 = 2,332.50/x
  3. Step 3: Cross multiply
    3,172.08x = 4,375.14 × 2,332.50
  4. Step 4: Simplify right side
    3,172.08x = 10,205,014.05
  5. Step 5: Solve for x
    x = 10,205,014.05/3,172.08
  6. Step 6: Final answer
    x = 3,217.14

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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.