Home / 5,821.21-8,033.27-3,168.63

Finding the Fourth Proportional to 5,821.21, 8,033.27 and 3,168.63

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Solution

The fourth proportional to 5,821.21, 8,033.27 and 3,168.63 is: 4,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.21 : 8,033.27 = 3,168.63 : x
  2. Step 2: Convert to fraction form
    5,821.21/8,033.27 = 3,168.63/x
  3. Step 3: Cross multiply
    5,821.21x = 8,033.27 × 3,168.63
  4. Step 4: Simplify right side
    5,821.21x = 25,454,474.60
  5. Step 5: Solve for x
    x = 25,454,474.60/5,821.21
  6. Step 6: Final answer
    x = 4,372.71

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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.