Home / 4,081.73-6,121.66-1,889.25

Finding the Fourth Proportional to 4,081.73, 6,121.66 and 1,889.25

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Solution

The fourth proportional to 4,081.73, 6,121.66 and 1,889.25 is: 2,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.73 : 6,121.66 = 1,889.25 : x
  2. Step 2: Convert to fraction form
    4,081.73/6,121.66 = 1,889.25/x
  3. Step 3: Cross multiply
    4,081.73x = 6,121.66 × 1,889.25
  4. Step 4: Simplify right side
    4,081.73x = 11,565,346.16
  5. Step 5: Solve for x
    x = 11,565,346.16/4,081.73
  6. Step 6: Final answer
    x = 2,833.44

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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.