Home / 3,801.42-5,243.58-2,307.87

Finding the Fourth Proportional to 3,801.42, 5,243.58 and 2,307.87

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Solution

The fourth proportional to 3,801.42, 5,243.58 and 2,307.87 is: 3,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.42 : 5,243.58 = 2,307.87 : x
  2. Step 2: Convert to fraction form
    3,801.42/5,243.58 = 2,307.87/x
  3. Step 3: Cross multiply
    3,801.42x = 5,243.58 × 2,307.87
  4. Step 4: Simplify right side
    3,801.42x = 12,101,500.97
  5. Step 5: Solve for x
    x = 12,101,500.97/3,801.42
  6. Step 6: Final answer
    x = 3,183.42

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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.