Home / 2,997.09-4,136.50-1,738.54

Finding the Fourth Proportional to 2,997.09, 4,136.50 and 1,738.54

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Solution

The fourth proportional to 2,997.09, 4,136.50 and 1,738.54 is: 2,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.09 : 4,136.50 = 1,738.54 : x
  2. Step 2: Convert to fraction form
    2,997.09/4,136.50 = 1,738.54/x
  3. Step 3: Cross multiply
    2,997.09x = 4,136.50 × 1,738.54
  4. Step 4: Simplify right side
    2,997.09x = 7,191,478.05
  5. Step 5: Solve for x
    x = 7,191,478.05/2,997.09
  6. Step 6: Final answer
    x = 2,399.48

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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.