Home / 4,921.16-6,791.04-2,796.56

Finding the Fourth Proportional to 4,921.16, 6,791.04 and 2,796.56

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Solution

The fourth proportional to 4,921.16, 6,791.04 and 2,796.56 is: 3,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.16 : 6,791.04 = 2,796.56 : x
  2. Step 2: Convert to fraction form
    4,921.16/6,791.04 = 2,796.56/x
  3. Step 3: Cross multiply
    4,921.16x = 6,791.04 × 2,796.56
  4. Step 4: Simplify right side
    4,921.16x = 18,991,550.82
  5. Step 5: Solve for x
    x = 18,991,550.82/4,921.16
  6. Step 6: Final answer
    x = 3,859.16

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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.