Home / 4,220.58-5,825.82-2,896.26

Finding the Fourth Proportional to 4,220.58, 5,825.82 and 2,896.26

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Solution

The fourth proportional to 4,220.58, 5,825.82 and 2,896.26 is: 3,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.58 : 5,825.82 = 2,896.26 : x
  2. Step 2: Convert to fraction form
    4,220.58/5,825.82 = 2,896.26/x
  3. Step 3: Cross multiply
    4,220.58x = 5,825.82 × 2,896.26
  4. Step 4: Simplify right side
    4,220.58x = 16,873,089.43
  5. Step 5: Solve for x
    x = 16,873,089.43/4,220.58
  6. Step 6: Final answer
    x = 3,997.81

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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.