Home / 3,167.20-4,360.74-2,694.16

Finding the Fourth Proportional to 3,167.20, 4,360.74 and 2,694.16

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Solution

The fourth proportional to 3,167.20, 4,360.74 and 2,694.16 is: 3,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.20 : 4,360.74 = 2,694.16 : x
  2. Step 2: Convert to fraction form
    3,167.20/4,360.74 = 2,694.16/x
  3. Step 3: Cross multiply
    3,167.20x = 4,360.74 × 2,694.16
  4. Step 4: Simplify right side
    3,167.20x = 11,748,531.28
  5. Step 5: Solve for x
    x = 11,748,531.28/3,167.20
  6. Step 6: Final answer
    x = 3,709.44

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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.