Home / 2,213.26-3,321.41-1,432.92

Finding the Fourth Proportional to 2,213.26, 3,321.41 and 1,432.92

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Solution

The fourth proportional to 2,213.26, 3,321.41 and 1,432.92 is: 2,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.26 : 3,321.41 = 1,432.92 : x
  2. Step 2: Convert to fraction form
    2,213.26/3,321.41 = 1,432.92/x
  3. Step 3: Cross multiply
    2,213.26x = 3,321.41 × 1,432.92
  4. Step 4: Simplify right side
    2,213.26x = 4,759,314.82
  5. Step 5: Solve for x
    x = 4,759,314.82/2,213.26
  6. Step 6: Final answer
    x = 2,150.36

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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.