Home / 2,512.96-3,767.40-2,170.36

Finding the Fourth Proportional to 2,512.96, 3,767.40 and 2,170.36

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Solution

The fourth proportional to 2,512.96, 3,767.40 and 2,170.36 is: 3,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.96 : 3,767.40 = 2,170.36 : x
  2. Step 2: Convert to fraction form
    2,512.96/3,767.40 = 2,170.36/x
  3. Step 3: Cross multiply
    2,512.96x = 3,767.40 × 2,170.36
  4. Step 4: Simplify right side
    2,512.96x = 8,176,614.26
  5. Step 5: Solve for x
    x = 8,176,614.26/2,512.96
  6. Step 6: Final answer
    x = 3,253.78

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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.