Home / 5,198.76-7,174.59-2,960.84

Finding the Fourth Proportional to 5,198.76, 7,174.59 and 2,960.84

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Solution

The fourth proportional to 5,198.76, 7,174.59 and 2,960.84 is: 4,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.76 : 7,174.59 = 2,960.84 : x
  2. Step 2: Convert to fraction form
    5,198.76/7,174.59 = 2,960.84/x
  3. Step 3: Cross multiply
    5,198.76x = 7,174.59 × 2,960.84
  4. Step 4: Simplify right side
    5,198.76x = 21,242,777.18
  5. Step 5: Solve for x
    x = 21,242,777.18/5,198.76
  6. Step 6: Final answer
    x = 4,086.12

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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.