Home / 5,632.21-7,772.39-3,114.38

Finding the Fourth Proportional to 5,632.21, 7,772.39 and 3,114.38

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Solution

The fourth proportional to 5,632.21, 7,772.39 and 3,114.38 is: 4,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.21 : 7,772.39 = 3,114.38 : x
  2. Step 2: Convert to fraction form
    5,632.21/7,772.39 = 3,114.38/x
  3. Step 3: Cross multiply
    5,632.21x = 7,772.39 × 3,114.38
  4. Step 4: Simplify right side
    5,632.21x = 24,206,179.83
  5. Step 5: Solve for x
    x = 24,206,179.83/5,632.21
  6. Step 6: Final answer
    x = 4,297.81

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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.