Home / 5,222.06-7,205.92-3,231.89

Finding the Fourth Proportional to 5,222.06, 7,205.92 and 3,231.89

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Solution

The fourth proportional to 5,222.06, 7,205.92 and 3,231.89 is: 4,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.06 : 7,205.92 = 3,231.89 : x
  2. Step 2: Convert to fraction form
    5,222.06/7,205.92 = 3,231.89/x
  3. Step 3: Cross multiply
    5,222.06x = 7,205.92 × 3,231.89
  4. Step 4: Simplify right side
    5,222.06x = 23,288,740.79
  5. Step 5: Solve for x
    x = 23,288,740.79/5,222.06
  6. Step 6: Final answer
    x = 4,459.68

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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.