Home / 7,700.58-10,626.75-4,163.78

Finding the Fourth Proportional to 7,700.58, 10,626.75 and 4,163.78

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Solution

The fourth proportional to 7,700.58, 10,626.75 and 4,163.78 is: 5,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.58 : 10,626.75 = 4,163.78 : x
  2. Step 2: Convert to fraction form
    7,700.58/10,626.75 = 4,163.78/x
  3. Step 3: Cross multiply
    7,700.58x = 10,626.75 × 4,163.78
  4. Step 4: Simplify right side
    7,700.58x = 44,247,395.98
  5. Step 5: Solve for x
    x = 44,247,395.98/7,700.58
  6. Step 6: Final answer
    x = 5,745.98

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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.