Home / 2,796.30-3,857.94-1,616.76

Finding the Fourth Proportional to 2,796.30, 3,857.94 and 1,616.76

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Solution

The fourth proportional to 2,796.30, 3,857.94 and 1,616.76 is: 2,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.30 : 3,857.94 = 1,616.76 : x
  2. Step 2: Convert to fraction form
    2,796.30/3,857.94 = 1,616.76/x
  3. Step 3: Cross multiply
    2,796.30x = 3,857.94 × 1,616.76
  4. Step 4: Simplify right side
    2,796.30x = 6,237,363.07
  5. Step 5: Solve for x
    x = 6,237,363.07/2,796.30
  6. Step 6: Final answer
    x = 2,230.58

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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.