Home / 4,103.31-5,660.55-2,686.44

Finding the Fourth Proportional to 4,103.31, 5,660.55 and 2,686.44

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Solution

The fourth proportional to 4,103.31, 5,660.55 and 2,686.44 is: 3,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.31 : 5,660.55 = 2,686.44 : x
  2. Step 2: Convert to fraction form
    4,103.31/5,660.55 = 2,686.44/x
  3. Step 3: Cross multiply
    4,103.31x = 5,660.55 × 2,686.44
  4. Step 4: Simplify right side
    4,103.31x = 15,206,727.94
  5. Step 5: Solve for x
    x = 15,206,727.94/4,103.31
  6. Step 6: Final answer
    x = 3,705.97

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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.