Home / 4,105.20-5,663.96-2,336.80

Finding the Fourth Proportional to 4,105.20, 5,663.96 and 2,336.80

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Solution

The fourth proportional to 4,105.20, 5,663.96 and 2,336.80 is: 3,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.20 : 5,663.96 = 2,336.80 : x
  2. Step 2: Convert to fraction form
    4,105.20/5,663.96 = 2,336.80/x
  3. Step 3: Cross multiply
    4,105.20x = 5,663.96 × 2,336.80
  4. Step 4: Simplify right side
    4,105.20x = 13,235,541.73
  5. Step 5: Solve for x
    x = 13,235,541.73/4,105.20
  6. Step 6: Final answer
    x = 3,224.09

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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.