Home / 3,696.75-5,099.49-2,203.65

Finding the Fourth Proportional to 3,696.75, 5,099.49 and 2,203.65

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Solution

The fourth proportional to 3,696.75, 5,099.49 and 2,203.65 is: 3,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.75 : 5,099.49 = 2,203.65 : x
  2. Step 2: Convert to fraction form
    3,696.75/5,099.49 = 2,203.65/x
  3. Step 3: Cross multiply
    3,696.75x = 5,099.49 × 2,203.65
  4. Step 4: Simplify right side
    3,696.75x = 11,237,491.14
  5. Step 5: Solve for x
    x = 11,237,491.14/3,696.75
  6. Step 6: Final answer
    x = 3,039.83

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Half 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.