Home / 5,222.45-7,207.98-3,099.16

Finding the Fourth Proportional to 5,222.45, 7,207.98 and 3,099.16

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Solution

The fourth proportional to 5,222.45, 7,207.98 and 3,099.16 is: 4,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.45 : 7,207.98 = 3,099.16 : x
  2. Step 2: Convert to fraction form
    5,222.45/7,207.98 = 3,099.16/x
  3. Step 3: Cross multiply
    5,222.45x = 7,207.98 × 3,099.16
  4. Step 4: Simplify right side
    5,222.45x = 22,338,680.68
  5. Step 5: Solve for x
    x = 22,338,680.68/5,222.45
  6. Step 6: Final answer
    x = 4,277.43

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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.