Home / 2,185.16-3,260.94-1,951.61

Finding the Fourth Proportional to 2,185.16, 3,260.94 and 1,951.61

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Solution

The fourth proportional to 2,185.16, 3,260.94 and 1,951.61 is: 2,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.16 : 3,260.94 = 1,951.61 : x
  2. Step 2: Convert to fraction form
    2,185.16/3,260.94 = 1,951.61/x
  3. Step 3: Cross multiply
    2,185.16x = 3,260.94 × 1,951.61
  4. Step 4: Simplify right side
    2,185.16x = 6,364,057.05
  5. Step 5: Solve for x
    x = 6,364,057.05/2,185.16
  6. Step 6: Final answer
    x = 2,912.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.