Home / 2,170.19-3,251.64-1,736.44

Finding the Fourth Proportional to 2,170.19, 3,251.64 and 1,736.44

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Solution

The fourth proportional to 2,170.19, 3,251.64 and 1,736.44 is: 2,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.19 : 3,251.64 = 1,736.44 : x
  2. Step 2: Convert to fraction form
    2,170.19/3,251.64 = 1,736.44/x
  3. Step 3: Cross multiply
    2,170.19x = 3,251.64 × 1,736.44
  4. Step 4: Simplify right side
    2,170.19x = 5,646,276.14
  5. Step 5: Solve for x
    x = 5,646,276.14/2,170.19
  6. Step 6: Final answer
    x = 2,601.74

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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.