Home / 4,105.20-5,665.19-2,336.81

Finding the Fourth Proportional to 4,105.20, 5,665.19 and 2,336.81

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Solution

The fourth proportional to 4,105.20, 5,665.19 and 2,336.81 is: 3,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.20 : 5,665.19 = 2,336.81 : x
  2. Step 2: Convert to fraction form
    4,105.20/5,665.19 = 2,336.81/x
  3. Step 3: Cross multiply
    4,105.20x = 5,665.19 × 2,336.81
  4. Step 4: Simplify right side
    4,105.20x = 13,238,459.72
  5. Step 5: Solve for x
    x = 13,238,459.72/4,105.20
  6. Step 6: Final answer
    x = 3,224.80

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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.