Home / 3,758.96-5,189.40-2,267.22

Finding the Fourth Proportional to 3,758.96, 5,189.40 and 2,267.22

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Solution

The fourth proportional to 3,758.96, 5,189.40 and 2,267.22 is: 3,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.96 : 5,189.40 = 2,267.22 : x
  2. Step 2: Convert to fraction form
    3,758.96/5,189.40 = 2,267.22/x
  3. Step 3: Cross multiply
    3,758.96x = 5,189.40 × 2,267.22
  4. Step 4: Simplify right side
    3,758.96x = 11,765,511.47
  5. Step 5: Solve for x
    x = 11,765,511.47/3,758.96
  6. Step 6: Final answer
    x = 3,129.99

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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.