Home / 1,768.53-2,439.82-1,104.23

Finding the Fourth Proportional to 1,768.53, 2,439.82 and 1,104.23

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Solution

The fourth proportional to 1,768.53, 2,439.82 and 1,104.23 is: 1,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.53 : 2,439.82 = 1,104.23 : x
  2. Step 2: Convert to fraction form
    1,768.53/2,439.82 = 1,104.23/x
  3. Step 3: Cross multiply
    1,768.53x = 2,439.82 × 1,104.23
  4. Step 4: Simplify right side
    1,768.53x = 2,694,129.92
  5. Step 5: Solve for x
    x = 2,694,129.92/1,768.53
  6. Step 6: Final answer
    x = 1,523.37

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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.