Home / 4,921.14-6,790.77-2,796.72

Finding the Fourth Proportional to 4,921.14, 6,790.77 and 2,796.72

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Solution

The fourth proportional to 4,921.14, 6,790.77 and 2,796.72 is: 3,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.14 : 6,790.77 = 2,796.72 : x
  2. Step 2: Convert to fraction form
    4,921.14/6,790.77 = 2,796.72/x
  3. Step 3: Cross multiply
    4,921.14x = 6,790.77 × 2,796.72
  4. Step 4: Simplify right side
    4,921.14x = 18,991,882.27
  5. Step 5: Solve for x
    x = 18,991,882.27/4,921.14
  6. Step 6: Final answer
    x = 3,859.24

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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.