Home / 5,199.26-7,174.64-2,961.09

Finding the Fourth Proportional to 5,199.26, 7,174.64 and 2,961.09

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Solution

The fourth proportional to 5,199.26, 7,174.64 and 2,961.09 is: 4,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.26 : 7,174.64 = 2,961.09 : x
  2. Step 2: Convert to fraction form
    5,199.26/7,174.64 = 2,961.09/x
  3. Step 3: Cross multiply
    5,199.26x = 7,174.64 × 2,961.09
  4. Step 4: Simplify right side
    5,199.26x = 21,244,762.16
  5. Step 5: Solve for x
    x = 21,244,762.16/5,199.26
  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.