Home / 2,768.73-3,821.23-1,589.59

Finding the Fourth Proportional to 2,768.73, 3,821.23 and 1,589.59

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Solution

The fourth proportional to 2,768.73, 3,821.23 and 1,589.59 is: 2,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.73 : 3,821.23 = 1,589.59 : x
  2. Step 2: Convert to fraction form
    2,768.73/3,821.23 = 1,589.59/x
  3. Step 3: Cross multiply
    2,768.73x = 3,821.23 × 1,589.59
  4. Step 4: Simplify right side
    2,768.73x = 6,074,189.00
  5. Step 5: Solve for x
    x = 6,074,189.00/2,768.73
  6. Step 6: Final answer
    x = 2,193.85

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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.