Home / 5,459.43-8,190.66-2,174.83

Finding the Fourth Proportional to 5,459.43, 8,190.66 and 2,174.83

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Solution

The fourth proportional to 5,459.43, 8,190.66 and 2,174.83 is: 3,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.43 : 8,190.66 = 2,174.83 : x
  2. Step 2: Convert to fraction form
    5,459.43/8,190.66 = 2,174.83/x
  3. Step 3: Cross multiply
    5,459.43x = 8,190.66 × 2,174.83
  4. Step 4: Simplify right side
    5,459.43x = 17,813,293.09
  5. Step 5: Solve for x
    x = 17,813,293.09/5,459.43
  6. Step 6: Final answer
    x = 3,262.85

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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.