Home / 3,744.60-5,167.27-2,172.39

Finding the Fourth Proportional to 3,744.60, 5,167.27 and 2,172.39

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Solution

The fourth proportional to 3,744.60, 5,167.27 and 2,172.39 is: 2,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.60 : 5,167.27 = 2,172.39 : x
  2. Step 2: Convert to fraction form
    3,744.60/5,167.27 = 2,172.39/x
  3. Step 3: Cross multiply
    3,744.60x = 5,167.27 × 2,172.39
  4. Step 4: Simplify right side
    3,744.60x = 11,225,325.68
  5. Step 5: Solve for x
    x = 11,225,325.68/3,744.60
  6. Step 6: Final answer
    x = 2,997.74

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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.