Home / 3,176.33-4,378.73-2,229.18

Finding the Fourth Proportional to 3,176.33, 4,378.73 and 2,229.18

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Solution

The fourth proportional to 3,176.33, 4,378.73 and 2,229.18 is: 3,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.33 : 4,378.73 = 2,229.18 : x
  2. Step 2: Convert to fraction form
    3,176.33/4,378.73 = 2,229.18/x
  3. Step 3: Cross multiply
    3,176.33x = 4,378.73 × 2,229.18
  4. Step 4: Simplify right side
    3,176.33x = 9,760,977.34
  5. Step 5: Solve for x
    x = 9,760,977.34/3,176.33
  6. Step 6: Final answer
    x = 3,073.04

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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.