Home / 3,867.73-5,337.42-2,099.36

Finding the Fourth Proportional to 3,867.73, 5,337.42 and 2,099.36

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Solution

The fourth proportional to 3,867.73, 5,337.42 and 2,099.36 is: 2,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.73 : 5,337.42 = 2,099.36 : x
  2. Step 2: Convert to fraction form
    3,867.73/5,337.42 = 2,099.36/x
  3. Step 3: Cross multiply
    3,867.73x = 5,337.42 × 2,099.36
  4. Step 4: Simplify right side
    3,867.73x = 11,205,166.05
  5. Step 5: Solve for x
    x = 11,205,166.05/3,867.73
  6. Step 6: Final answer
    x = 2,897.09

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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.