Home / 3,727.50-5,143.53-2,235.48

Finding the Fourth Proportional to 3,727.50, 5,143.53 and 2,235.48

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Solution

The fourth proportional to 3,727.50, 5,143.53 and 2,235.48 is: 3,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.50 : 5,143.53 = 2,235.48 : x
  2. Step 2: Convert to fraction form
    3,727.50/5,143.53 = 2,235.48/x
  3. Step 3: Cross multiply
    3,727.50x = 5,143.53 × 2,235.48
  4. Step 4: Simplify right side
    3,727.50x = 11,498,232.73
  5. Step 5: Solve for x
    x = 11,498,232.73/3,727.50
  6. Step 6: Final answer
    x = 3,084.71

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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.