Home / 3,794.22-5,235.38-2,115.25

Finding the Fourth Proportional to 3,794.22, 5,235.38 and 2,115.25

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Solution

The fourth proportional to 3,794.22, 5,235.38 and 2,115.25 is: 2,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.22 : 5,235.38 = 2,115.25 : x
  2. Step 2: Convert to fraction form
    3,794.22/5,235.38 = 2,115.25/x
  3. Step 3: Cross multiply
    3,794.22x = 5,235.38 × 2,115.25
  4. Step 4: Simplify right side
    3,794.22x = 11,074,137.55
  5. Step 5: Solve for x
    x = 11,074,137.55/3,794.22
  6. Step 6: Final answer
    x = 2,918.69

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Half scale
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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.