Home / 5,163.55-7,745.42-1,465.80

Finding the Fourth Proportional to 5,163.55, 7,745.42 and 1,465.80

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Solution

The fourth proportional to 5,163.55, 7,745.42 and 1,465.80 is: 2,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.55 : 7,745.42 = 1,465.80 : x
  2. Step 2: Convert to fraction form
    5,163.55/7,745.42 = 1,465.80/x
  3. Step 3: Cross multiply
    5,163.55x = 7,745.42 × 1,465.80
  4. Step 4: Simplify right side
    5,163.55x = 11,353,211.26
  5. Step 5: Solve for x
    x = 11,353,211.26/5,163.55
  6. Step 6: Final answer
    x = 2,198.72

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1.5x scale

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.