Home / 2,997.26-4,136.66-1,738.38

Finding the Fourth Proportional to 2,997.26, 4,136.66 and 1,738.38

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Solution

The fourth proportional to 2,997.26, 4,136.66 and 1,738.38 is: 2,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.26 : 4,136.66 = 1,738.38 : x
  2. Step 2: Convert to fraction form
    2,997.26/4,136.66 = 1,738.38/x
  3. Step 3: Cross multiply
    2,997.26x = 4,136.66 × 1,738.38
  4. Step 4: Simplify right side
    2,997.26x = 7,191,078.32
  5. Step 5: Solve for x
    x = 7,191,078.32/2,997.26
  6. Step 6: Final answer
    x = 2,399.22

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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.