Home / 5,212.77-7,193.34-2,974.85

Finding the Fourth Proportional to 5,212.77, 7,193.34 and 2,974.85

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Solution

The fourth proportional to 5,212.77, 7,193.34 and 2,974.85 is: 4,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.77 : 7,193.34 = 2,974.85 : x
  2. Step 2: Convert to fraction form
    5,212.77/7,193.34 = 2,974.85/x
  3. Step 3: Cross multiply
    5,212.77x = 7,193.34 × 2,974.85
  4. Step 4: Simplify right side
    5,212.77x = 21,399,132.92
  5. Step 5: Solve for x
    x = 21,399,132.92/5,212.77
  6. Step 6: Final answer
    x = 4,105.14

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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.