Home / 5,235.53-7,224.98-2,997.80

Finding the Fourth Proportional to 5,235.53, 7,224.98 and 2,997.80

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Solution

The fourth proportional to 5,235.53, 7,224.98 and 2,997.80 is: 4,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.53 : 7,224.98 = 2,997.80 : x
  2. Step 2: Convert to fraction form
    5,235.53/7,224.98 = 2,997.80/x
  3. Step 3: Cross multiply
    5,235.53x = 7,224.98 × 2,997.80
  4. Step 4: Simplify right side
    5,235.53x = 21,658,993.93
  5. Step 5: Solve for x
    x = 21,658,993.93/5,235.53
  6. Step 6: Final answer
    x = 4,136.93

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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.