Home / 3,272.16-4,515.54-1,780.04

Finding the Fourth Proportional to 3,272.16, 4,515.54 and 1,780.04

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Solution

The fourth proportional to 3,272.16, 4,515.54 and 1,780.04 is: 2,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.16 : 4,515.54 = 1,780.04 : x
  2. Step 2: Convert to fraction form
    3,272.16/4,515.54 = 1,780.04/x
  3. Step 3: Cross multiply
    3,272.16x = 4,515.54 × 1,780.04
  4. Step 4: Simplify right side
    3,272.16x = 8,037,819.24
  5. Step 5: Solve for x
    x = 8,037,819.24/3,272.16
  6. Step 6: Final answer
    x = 2,456.43

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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.