Home / 3,794.15-5,235.29-2,115.19

Finding the Fourth Proportional to 3,794.15, 5,235.29 and 2,115.19

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Solution

The fourth proportional to 3,794.15, 5,235.29 and 2,115.19 is: 2,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.15 : 5,235.29 = 2,115.19 : x
  2. Step 2: Convert to fraction form
    3,794.15/5,235.29 = 2,115.19/x
  3. Step 3: Cross multiply
    3,794.15x = 5,235.29 × 2,115.19
  4. Step 4: Simplify right side
    3,794.15x = 11,073,633.06
  5. Step 5: Solve for x
    x = 11,073,633.06/3,794.15
  6. Step 6: Final answer
    x = 2,918.61

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Half scale
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Double scale
Find fourth proportional to 3,795.15, 5,236.67 and 2,116.19
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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.