Home / 3,272.11-4,515.57-1,780.06

Finding the Fourth Proportional to 3,272.11, 4,515.57 and 1,780.06

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Solution

The fourth proportional to 3,272.11, 4,515.57 and 1,780.06 is: 2,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.11 : 4,515.57 = 1,780.06 : x
  2. Step 2: Convert to fraction form
    3,272.11/4,515.57 = 1,780.06/x
  3. Step 3: Cross multiply
    3,272.11x = 4,515.57 × 1,780.06
  4. Step 4: Simplify right side
    3,272.11x = 8,037,985.53
  5. Step 5: Solve for x
    x = 8,037,985.53/3,272.11
  6. Step 6: Final answer
    x = 2,456.51

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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.