Home / 5,240.22-7,862.49-3,860.52

Finding the Fourth Proportional to 5,240.22, 7,862.49 and 3,860.52

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Solution

The fourth proportional to 5,240.22, 7,862.49 and 3,860.52 is: 5,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.22 : 7,862.49 = 3,860.52 : x
  2. Step 2: Convert to fraction form
    5,240.22/7,862.49 = 3,860.52/x
  3. Step 3: Cross multiply
    5,240.22x = 7,862.49 × 3,860.52
  4. Step 4: Simplify right side
    5,240.22x = 30,353,299.89
  5. Step 5: Solve for x
    x = 30,353,299.89/5,240.22
  6. Step 6: Final answer
    x = 5,792.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.