Home / 5,201.80-7,179.14-2,963.56

Finding the Fourth Proportional to 5,201.80, 7,179.14 and 2,963.56

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Solution

The fourth proportional to 5,201.80, 7,179.14 and 2,963.56 is: 4,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.80 : 7,179.14 = 2,963.56 : x
  2. Step 2: Convert to fraction form
    5,201.80/7,179.14 = 2,963.56/x
  3. Step 3: Cross multiply
    5,201.80x = 7,179.14 × 2,963.56
  4. Step 4: Simplify right side
    5,201.80x = 21,275,812.14
  5. Step 5: Solve for x
    x = 21,275,812.14/5,201.80
  6. Step 6: Final answer
    x = 4,090.09

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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.