Home / 4,997.80-6,896.19-2,873.40

Finding the Fourth Proportional to 4,997.80, 6,896.19 and 2,873.40

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Solution

The fourth proportional to 4,997.80, 6,896.19 and 2,873.40 is: 3,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.80 : 6,896.19 = 2,873.40 : x
  2. Step 2: Convert to fraction form
    4,997.80/6,896.19 = 2,873.40/x
  3. Step 3: Cross multiply
    4,997.80x = 6,896.19 × 2,873.40
  4. Step 4: Simplify right side
    4,997.80x = 19,815,512.35
  5. Step 5: Solve for x
    x = 19,815,512.35/4,997.80
  6. Step 6: Final answer
    x = 3,964.85

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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.