Home / 3,867.65-5,337.33-2,099.27

Finding the Fourth Proportional to 3,867.65, 5,337.33 and 2,099.27

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Solution

The fourth proportional to 3,867.65, 5,337.33 and 2,099.27 is: 2,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.65 : 5,337.33 = 2,099.27 : x
  2. Step 2: Convert to fraction form
    3,867.65/5,337.33 = 2,099.27/x
  3. Step 3: Cross multiply
    3,867.65x = 5,337.33 × 2,099.27
  4. Step 4: Simplify right side
    3,867.65x = 11,204,496.75
  5. Step 5: Solve for x
    x = 11,204,496.75/3,867.65
  6. Step 6: Final answer
    x = 2,896.98

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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.