Home / 5,235.75-7,224.93-2,997.09

Finding the Fourth Proportional to 5,235.75, 7,224.93 and 2,997.09

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Solution

The fourth proportional to 5,235.75, 7,224.93 and 2,997.09 is: 4,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.75 : 7,224.93 = 2,997.09 : x
  2. Step 2: Convert to fraction form
    5,235.75/7,224.93 = 2,997.09/x
  3. Step 3: Cross multiply
    5,235.75x = 7,224.93 × 2,997.09
  4. Step 4: Simplify right side
    5,235.75x = 21,653,765.45
  5. Step 5: Solve for x
    x = 21,653,765.45/5,235.75
  6. Step 6: Final answer
    x = 4,135.75

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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.