Home / 5,222.75-7,204.55-3,229.88

Finding the Fourth Proportional to 5,222.75, 7,204.55 and 3,229.88

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Solution

The fourth proportional to 5,222.75, 7,204.55 and 3,229.88 is: 4,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.75 : 7,204.55 = 3,229.88 : x
  2. Step 2: Convert to fraction form
    5,222.75/7,204.55 = 3,229.88/x
  3. Step 3: Cross multiply
    5,222.75x = 7,204.55 × 3,229.88
  4. Step 4: Simplify right side
    5,222.75x = 23,269,779.78
  5. Step 5: Solve for x
    x = 23,269,779.78/5,222.75
  6. Step 6: Final answer
    x = 4,455.47

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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.