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Finding the Fourth Proportional to 5,913.88, 8,161.04 and 3,261.53

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Solution

The fourth proportional to 5,913.88, 8,161.04 and 3,261.53 is: 4,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.88 : 8,161.04 = 3,261.53 : x
  2. Step 2: Convert to fraction form
    5,913.88/8,161.04 = 3,261.53/x
  3. Step 3: Cross multiply
    5,913.88x = 8,161.04 × 3,261.53
  4. Step 4: Simplify right side
    5,913.88x = 26,617,505.35
  5. Step 5: Solve for x
    x = 26,617,505.35/5,913.88
  6. Step 6: Final answer
    x = 4,500.86

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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.