Home / 1,951.53-2,694.32-1,206.51

Finding the Fourth Proportional to 1,951.53, 2,694.32 and 1,206.51

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Solution

The fourth proportional to 1,951.53, 2,694.32 and 1,206.51 is: 1,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.53 : 2,694.32 = 1,206.51 : x
  2. Step 2: Convert to fraction form
    1,951.53/2,694.32 = 1,206.51/x
  3. Step 3: Cross multiply
    1,951.53x = 2,694.32 × 1,206.51
  4. Step 4: Simplify right side
    1,951.53x = 3,250,724.02
  5. Step 5: Solve for x
    x = 3,250,724.02/1,951.53
  6. Step 6: Final answer
    x = 1,665.73

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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.