Home / 2,184.75-3,272.94-1,720.08

Finding the Fourth Proportional to 2,184.75, 3,272.94 and 1,720.08

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Solution

The fourth proportional to 2,184.75, 3,272.94 and 1,720.08 is: 2,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.75 : 3,272.94 = 1,720.08 : x
  2. Step 2: Convert to fraction form
    2,184.75/3,272.94 = 1,720.08/x
  3. Step 3: Cross multiply
    2,184.75x = 3,272.94 × 1,720.08
  4. Step 4: Simplify right side
    2,184.75x = 5,629,718.64
  5. Step 5: Solve for x
    x = 5,629,718.64/2,184.75
  6. Step 6: Final answer
    x = 2,576.83

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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.