Home / 3,682.48-5,081.22-2,190.18

Finding the Fourth Proportional to 3,682.48, 5,081.22 and 2,190.18

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Solution

The fourth proportional to 3,682.48, 5,081.22 and 2,190.18 is: 3,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.48 : 5,081.22 = 2,190.18 : x
  2. Step 2: Convert to fraction form
    3,682.48/5,081.22 = 2,190.18/x
  3. Step 3: Cross multiply
    3,682.48x = 5,081.22 × 2,190.18
  4. Step 4: Simplify right side
    3,682.48x = 11,128,786.42
  5. Step 5: Solve for x
    x = 11,128,786.42/3,682.48
  6. Step 6: Final answer
    x = 3,022.09

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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.