Home / 5,575.75-7,694.55-3,218.26

Finding the Fourth Proportional to 5,575.75, 7,694.55 and 3,218.26

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Solution

The fourth proportional to 5,575.75, 7,694.55 and 3,218.26 is: 4,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.75 : 7,694.55 = 3,218.26 : x
  2. Step 2: Convert to fraction form
    5,575.75/7,694.55 = 3,218.26/x
  3. Step 3: Cross multiply
    5,575.75x = 7,694.55 × 3,218.26
  4. Step 4: Simplify right side
    5,575.75x = 24,763,062.48
  5. Step 5: Solve for x
    x = 24,763,062.48/5,575.75
  6. Step 6: Final answer
    x = 4,441.21

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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.