Home / 3,218.92-4,440.78-1,959.52

Finding the Fourth Proportional to 3,218.92, 4,440.78 and 1,959.52

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Solution

The fourth proportional to 3,218.92, 4,440.78 and 1,959.52 is: 2,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.92 : 4,440.78 = 1,959.52 : x
  2. Step 2: Convert to fraction form
    3,218.92/4,440.78 = 1,959.52/x
  3. Step 3: Cross multiply
    3,218.92x = 4,440.78 × 1,959.52
  4. Step 4: Simplify right side
    3,218.92x = 8,701,797.23
  5. Step 5: Solve for x
    x = 8,701,797.23/3,218.92
  6. Step 6: Final answer
    x = 2,703.33

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Double scale
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1.5x scale

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.