Home / 4,101.54-5,660.37-3,105.24

Finding the Fourth Proportional to 4,101.54, 5,660.37 and 3,105.24

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Solution

The fourth proportional to 4,101.54, 5,660.37 and 3,105.24 is: 4,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.54 : 5,660.37 = 3,105.24 : x
  2. Step 2: Convert to fraction form
    4,101.54/5,660.37 = 3,105.24/x
  3. Step 3: Cross multiply
    4,101.54x = 5,660.37 × 3,105.24
  4. Step 4: Simplify right side
    4,101.54x = 17,576,807.34
  5. Step 5: Solve for x
    x = 17,576,807.34/4,101.54
  6. Step 6: Final answer
    x = 4,285.42

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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.