Home / 4,105.08-5,660.69-3,772.17

Finding the Fourth Proportional to 4,105.08, 5,660.69 and 3,772.17

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Solution

The fourth proportional to 4,105.08, 5,660.69 and 3,772.17 is: 5,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.08 : 5,660.69 = 3,772.17 : x
  2. Step 2: Convert to fraction form
    4,105.08/5,660.69 = 3,772.17/x
  3. Step 3: Cross multiply
    4,105.08x = 5,660.69 × 3,772.17
  4. Step 4: Simplify right side
    4,105.08x = 21,353,066.14
  5. Step 5: Solve for x
    x = 21,353,066.14/4,105.08
  6. Step 6: Final answer
    x = 5,201.62

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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.