Home / 3,167.52-4,373.20-2,172.48

Finding the Fourth Proportional to 3,167.52, 4,373.20 and 2,172.48

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Solution

The fourth proportional to 3,167.52, 4,373.20 and 2,172.48 is: 2,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.52 : 4,373.20 = 2,172.48 : x
  2. Step 2: Convert to fraction form
    3,167.52/4,373.20 = 2,172.48/x
  3. Step 3: Cross multiply
    3,167.52x = 4,373.20 × 2,172.48
  4. Step 4: Simplify right side
    3,167.52x = 9,500,689.54
  5. Step 5: Solve for x
    x = 9,500,689.54/3,167.52
  6. Step 6: Final answer
    x = 2,999.41

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1.5x scale

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.