Home / 2,171.97-3,252.47-1,559.61

Finding the Fourth Proportional to 2,171.97, 3,252.47 and 1,559.61

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Solution

The fourth proportional to 2,171.97, 3,252.47 and 1,559.61 is: 2,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.97 : 3,252.47 = 1,559.61 : x
  2. Step 2: Convert to fraction form
    2,171.97/3,252.47 = 1,559.61/x
  3. Step 3: Cross multiply
    2,171.97x = 3,252.47 × 1,559.61
  4. Step 4: Simplify right side
    2,171.97x = 5,072,576.94
  5. Step 5: Solve for x
    x = 5,072,576.94/2,171.97
  6. Step 6: Final answer
    x = 2,335.47

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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.