Home / 5,212.44-7,193.04-2,912.85

Finding the Fourth Proportional to 5,212.44, 7,193.04 and 2,912.85

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Solution

The fourth proportional to 5,212.44, 7,193.04 and 2,912.85 is: 4,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.44 : 7,193.04 = 2,912.85 : x
  2. Step 2: Convert to fraction form
    5,212.44/7,193.04 = 2,912.85/x
  3. Step 3: Cross multiply
    5,212.44x = 7,193.04 × 2,912.85
  4. Step 4: Simplify right side
    5,212.44x = 20,952,214.02
  5. Step 5: Solve for x
    x = 20,952,214.02/5,212.44
  6. Step 6: Final answer
    x = 4,019.66

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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.