Home / 3,865.38-5,334.18-2,096.99

Finding the Fourth Proportional to 3,865.38, 5,334.18 and 2,096.99

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Solution

The fourth proportional to 3,865.38, 5,334.18 and 2,096.99 is: 2,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.38 : 5,334.18 = 2,096.99 : x
  2. Step 2: Convert to fraction form
    3,865.38/5,334.18 = 2,096.99/x
  3. Step 3: Cross multiply
    3,865.38x = 5,334.18 × 2,096.99
  4. Step 4: Simplify right side
    3,865.38x = 11,185,695.45
  5. Step 5: Solve for x
    x = 11,185,695.45/3,865.38
  6. Step 6: Final answer
    x = 2,893.82

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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.