Home / 5,199.47-7,174.58-2,961.37

Finding the Fourth Proportional to 5,199.47, 7,174.58 and 2,961.37

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Solution

The fourth proportional to 5,199.47, 7,174.58 and 2,961.37 is: 4,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.47 : 7,174.58 = 2,961.37 : x
  2. Step 2: Convert to fraction form
    5,199.47/7,174.58 = 2,961.37/x
  3. Step 3: Cross multiply
    5,199.47x = 7,174.58 × 2,961.37
  4. Step 4: Simplify right side
    5,199.47x = 21,246,585.97
  5. Step 5: Solve for x
    x = 21,246,585.97/5,199.47
  6. Step 6: Final answer
    x = 4,086.30

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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.