Home / 4,480.45-6,174.20-3,772.40

Finding the Fourth Proportional to 4,480.45, 6,174.20 and 3,772.40

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Solution

The fourth proportional to 4,480.45, 6,174.20 and 3,772.40 is: 5,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.45 : 6,174.20 = 3,772.40 : x
  2. Step 2: Convert to fraction form
    4,480.45/6,174.20 = 3,772.40/x
  3. Step 3: Cross multiply
    4,480.45x = 6,174.20 × 3,772.40
  4. Step 4: Simplify right side
    4,480.45x = 23,291,552.08
  5. Step 5: Solve for x
    x = 23,291,552.08/4,480.45
  6. Step 6: Final answer
    x = 5,198.49

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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.