Home / 5,163.53-7,738.95-2,386.45

Finding the Fourth Proportional to 5,163.53, 7,738.95 and 2,386.45

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Solution

The fourth proportional to 5,163.53, 7,738.95 and 2,386.45 is: 3,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.53 : 7,738.95 = 2,386.45 : x
  2. Step 2: Convert to fraction form
    5,163.53/7,738.95 = 2,386.45/x
  3. Step 3: Cross multiply
    5,163.53x = 7,738.95 × 2,386.45
  4. Step 4: Simplify right side
    5,163.53x = 18,468,578.53
  5. Step 5: Solve for x
    x = 18,468,578.53/5,163.53
  6. Step 6: Final answer
    x = 3,576.74

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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.