Home / 7,181.21-10,769.72-2,797.62

Finding the Fourth Proportional to 7,181.21, 10,769.72 and 2,797.62

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Solution

The fourth proportional to 7,181.21, 10,769.72 and 2,797.62 is: 4,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.21 : 10,769.72 = 2,797.62 : x
  2. Step 2: Convert to fraction form
    7,181.21/10,769.72 = 2,797.62/x
  3. Step 3: Cross multiply
    7,181.21x = 10,769.72 × 2,797.62
  4. Step 4: Simplify right side
    7,181.21x = 30,129,570.08
  5. Step 5: Solve for x
    x = 30,129,570.08/7,181.21
  6. Step 6: Final answer
    x = 4,195.61

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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.