Home / 3,422.22-4,722.67-1,850.31

Finding the Fourth Proportional to 3,422.22, 4,722.67 and 1,850.31

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Solution

The fourth proportional to 3,422.22, 4,722.67 and 1,850.31 is: 2,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.22 : 4,722.67 = 1,850.31 : x
  2. Step 2: Convert to fraction form
    3,422.22/4,722.67 = 1,850.31/x
  3. Step 3: Cross multiply
    3,422.22x = 4,722.67 × 1,850.31
  4. Step 4: Simplify right side
    3,422.22x = 8,738,403.53
  5. Step 5: Solve for x
    x = 8,738,403.53/3,422.22
  6. Step 6: Final answer
    x = 2,553.43

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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.