Home / 3,725.73-5,141.67-2,153.73

Finding the Fourth Proportional to 3,725.73, 5,141.67 and 2,153.73

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Solution

The fourth proportional to 3,725.73, 5,141.67 and 2,153.73 is: 2,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.73 : 5,141.67 = 2,153.73 : x
  2. Step 2: Convert to fraction form
    3,725.73/5,141.67 = 2,153.73/x
  3. Step 3: Cross multiply
    3,725.73x = 5,141.67 × 2,153.73
  4. Step 4: Simplify right side
    3,725.73x = 11,073,768.93
  5. Step 5: Solve for x
    x = 11,073,768.93/3,725.73
  6. Step 6: Final answer
    x = 2,972.24

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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.