Home / 4,101.66-5,660.52-3,105.36

Finding the Fourth Proportional to 4,101.66, 5,660.52 and 3,105.36

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Solution

The fourth proportional to 4,101.66, 5,660.52 and 3,105.36 is: 4,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.66 : 5,660.52 = 3,105.36 : x
  2. Step 2: Convert to fraction form
    4,101.66/5,660.52 = 3,105.36/x
  3. Step 3: Cross multiply
    4,101.66x = 5,660.52 × 3,105.36
  4. Step 4: Simplify right side
    4,101.66x = 17,577,952.39
  5. Step 5: Solve for x
    x = 17,577,952.39/4,101.66
  6. Step 6: Final answer
    x = 4,285.57

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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.