Home / 2,168.70-3,255.21-1,195.26

Finding the Fourth Proportional to 2,168.70, 3,255.21 and 1,195.26

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Solution

The fourth proportional to 2,168.70, 3,255.21 and 1,195.26 is: 1,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.70 : 3,255.21 = 1,195.26 : x
  2. Step 2: Convert to fraction form
    2,168.70/3,255.21 = 1,195.26/x
  3. Step 3: Cross multiply
    2,168.70x = 3,255.21 × 1,195.26
  4. Step 4: Simplify right side
    2,168.70x = 3,890,822.30
  5. Step 5: Solve for x
    x = 3,890,822.30/2,168.70
  6. Step 6: Final answer
    x = 1,794.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.