Home / 4,101.87-5,660.55-2,238.87

Finding the Fourth Proportional to 4,101.87, 5,660.55 and 2,238.87

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Solution

The fourth proportional to 4,101.87, 5,660.55 and 2,238.87 is: 3,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.87 : 5,660.55 = 2,238.87 : x
  2. Step 2: Convert to fraction form
    4,101.87/5,660.55 = 2,238.87/x
  3. Step 3: Cross multiply
    4,101.87x = 5,660.55 × 2,238.87
  4. Step 4: Simplify right side
    4,101.87x = 12,673,235.58
  5. Step 5: Solve for x
    x = 12,673,235.58/4,101.87
  6. Step 6: Final answer
    x = 3,089.62

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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.