Home / 3,913.24-5,399.18-2,586.52

Finding the Fourth Proportional to 3,913.24, 5,399.18 and 2,586.52

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Solution

The fourth proportional to 3,913.24, 5,399.18 and 2,586.52 is: 3,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.24 : 5,399.18 = 2,586.52 : x
  2. Step 2: Convert to fraction form
    3,913.24/5,399.18 = 2,586.52/x
  3. Step 3: Cross multiply
    3,913.24x = 5,399.18 × 2,586.52
  4. Step 4: Simplify right side
    3,913.24x = 13,965,087.05
  5. Step 5: Solve for x
    x = 13,965,087.05/3,913.24
  6. Step 6: Final answer
    x = 3,568.68

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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.