Home / 5,286.69-7,924.10-2,511.09

Finding the Fourth Proportional to 5,286.69, 7,924.10 and 2,511.09

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Solution

The fourth proportional to 5,286.69, 7,924.10 and 2,511.09 is: 3,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.69 : 7,924.10 = 2,511.09 : x
  2. Step 2: Convert to fraction form
    5,286.69/7,924.10 = 2,511.09/x
  3. Step 3: Cross multiply
    5,286.69x = 7,924.10 × 2,511.09
  4. Step 4: Simplify right side
    5,286.69x = 19,898,115.71
  5. Step 5: Solve for x
    x = 19,898,115.71/5,286.69
  6. Step 6: Final answer
    x = 3,763.81

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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.