Home / 5,198.10-7,174.25-2,959.67

Finding the Fourth Proportional to 5,198.10, 7,174.25 and 2,959.67

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Solution

The fourth proportional to 5,198.10, 7,174.25 and 2,959.67 is: 4,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.10 : 7,174.25 = 2,959.67 : x
  2. Step 2: Convert to fraction form
    5,198.10/7,174.25 = 2,959.67/x
  3. Step 3: Cross multiply
    5,198.10x = 7,174.25 × 2,959.67
  4. Step 4: Simplify right side
    5,198.10x = 21,233,372.93
  5. Step 5: Solve for x
    x = 21,233,372.93/5,198.10
  6. Step 6: Final answer
    x = 4,084.83

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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.