Home / 5,198.07-7,800.27-2,734.65

Finding the Fourth Proportional to 5,198.07, 7,800.27 and 2,734.65

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Solution

The fourth proportional to 5,198.07, 7,800.27 and 2,734.65 is: 4,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.07 : 7,800.27 = 2,734.65 : x
  2. Step 2: Convert to fraction form
    5,198.07/7,800.27 = 2,734.65/x
  3. Step 3: Cross multiply
    5,198.07x = 7,800.27 × 2,734.65
  4. Step 4: Simplify right side
    5,198.07x = 21,331,008.36
  5. Step 5: Solve for x
    x = 21,331,008.36/5,198.07
  6. Step 6: Final answer
    x = 4,103.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.