Home / 3,222.18-4,446.97-1,806.25

Finding the Fourth Proportional to 3,222.18, 4,446.97 and 1,806.25

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Solution

The fourth proportional to 3,222.18, 4,446.97 and 1,806.25 is: 2,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.18 : 4,446.97 = 1,806.25 : x
  2. Step 2: Convert to fraction form
    3,222.18/4,446.97 = 1,806.25/x
  3. Step 3: Cross multiply
    3,222.18x = 4,446.97 × 1,806.25
  4. Step 4: Simplify right side
    3,222.18x = 8,032,317.33
  5. Step 5: Solve for x
    x = 8,032,317.33/3,222.18
  6. Step 6: Final answer
    x = 2,492.82

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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.