Home / 3,867.53-5,337.20-2,099.14

Finding the Fourth Proportional to 3,867.53, 5,337.20 and 2,099.14

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Solution

The fourth proportional to 3,867.53, 5,337.20 and 2,099.14 is: 2,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.53 : 5,337.20 = 2,099.14 : x
  2. Step 2: Convert to fraction form
    3,867.53/5,337.20 = 2,099.14/x
  3. Step 3: Cross multiply
    3,867.53x = 5,337.20 × 2,099.14
  4. Step 4: Simplify right side
    3,867.53x = 11,203,521.01
  5. Step 5: Solve for x
    x = 11,203,521.01/3,867.53
  6. Step 6: Final answer
    x = 2,896.81

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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.