Home / 2,721.24-3,755.07-1,586.73

Finding the Fourth Proportional to 2,721.24, 3,755.07 and 1,586.73

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Solution

The fourth proportional to 2,721.24, 3,755.07 and 1,586.73 is: 2,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.24 : 3,755.07 = 1,586.73 : x
  2. Step 2: Convert to fraction form
    2,721.24/3,755.07 = 1,586.73/x
  3. Step 3: Cross multiply
    2,721.24x = 3,755.07 × 1,586.73
  4. Step 4: Simplify right side
    2,721.24x = 5,958,282.22
  5. Step 5: Solve for x
    x = 5,958,282.22/2,721.24
  6. Step 6: Final answer
    x = 2,189.55

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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.