Home / 5,480.37-7,565.43-3,211.38

Finding the Fourth Proportional to 5,480.37, 7,565.43 and 3,211.38

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Solution

The fourth proportional to 5,480.37, 7,565.43 and 3,211.38 is: 4,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.37 : 7,565.43 = 3,211.38 : x
  2. Step 2: Convert to fraction form
    5,480.37/7,565.43 = 3,211.38/x
  3. Step 3: Cross multiply
    5,480.37x = 7,565.43 × 3,211.38
  4. Step 4: Simplify right side
    5,480.37x = 24,295,470.59
  5. Step 5: Solve for x
    x = 24,295,470.59/5,480.37
  6. Step 6: Final answer
    x = 4,433.18

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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.