Home / 2,440.44-3,367.82-1,321.39

Finding the Fourth Proportional to 2,440.44, 3,367.82 and 1,321.39

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Solution

The fourth proportional to 2,440.44, 3,367.82 and 1,321.39 is: 1,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.44 : 3,367.82 = 1,321.39 : x
  2. Step 2: Convert to fraction form
    2,440.44/3,367.82 = 1,321.39/x
  3. Step 3: Cross multiply
    2,440.44x = 3,367.82 × 1,321.39
  4. Step 4: Simplify right side
    2,440.44x = 4,450,205.48
  5. Step 5: Solve for x
    x = 4,450,205.48/2,440.44
  6. Step 6: Final answer
    x = 1,823.52

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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.