Home / 5,450.22-8,174.61-2,162.46

Finding the Fourth Proportional to 5,450.22, 8,174.61 and 2,162.46

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Solution

The fourth proportional to 5,450.22, 8,174.61 and 2,162.46 is: 3,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.22 : 8,174.61 = 2,162.46 : x
  2. Step 2: Convert to fraction form
    5,450.22/8,174.61 = 2,162.46/x
  3. Step 3: Cross multiply
    5,450.22x = 8,174.61 × 2,162.46
  4. Step 4: Simplify right side
    5,450.22x = 17,677,267.14
  5. Step 5: Solve for x
    x = 17,677,267.14/5,450.22
  6. Step 6: Final answer
    x = 3,243.40

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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.