Home / 2,136.16-3,203.92-1,773.28

Finding the Fourth Proportional to 2,136.16, 3,203.92 and 1,773.28

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Solution

The fourth proportional to 2,136.16, 3,203.92 and 1,773.28 is: 2,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.16 : 3,203.92 = 1,773.28 : x
  2. Step 2: Convert to fraction form
    2,136.16/3,203.92 = 1,773.28/x
  3. Step 3: Cross multiply
    2,136.16x = 3,203.92 × 1,773.28
  4. Step 4: Simplify right side
    2,136.16x = 5,681,447.26
  5. Step 5: Solve for x
    x = 5,681,447.26/2,136.16
  6. Step 6: Final answer
    x = 2,659.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.