Home / 5,212.68-7,193.67-2,854.83

Finding the Fourth Proportional to 5,212.68, 7,193.67 and 2,854.83

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Solution

The fourth proportional to 5,212.68, 7,193.67 and 2,854.83 is: 3,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.68 : 7,193.67 = 2,854.83 : x
  2. Step 2: Convert to fraction form
    5,212.68/7,193.67 = 2,854.83/x
  3. Step 3: Cross multiply
    5,212.68x = 7,193.67 × 2,854.83
  4. Step 4: Simplify right side
    5,212.68x = 20,536,704.93
  5. Step 5: Solve for x
    x = 20,536,704.93/5,212.68
  6. Step 6: Final answer
    x = 3,939.76

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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.