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Finding the Fourth Proportional to 5,631.53, 7,773.59 and 3,393.53

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Solution

The fourth proportional to 5,631.53, 7,773.59 and 3,393.53 is: 4,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.53 : 7,773.59 = 3,393.53 : x
  2. Step 2: Convert to fraction form
    5,631.53/7,773.59 = 3,393.53/x
  3. Step 3: Cross multiply
    5,631.53x = 7,773.59 × 3,393.53
  4. Step 4: Simplify right side
    5,631.53x = 26,379,910.87
  5. Step 5: Solve for x
    x = 26,379,910.87/5,631.53
  6. Step 6: Final answer
    x = 4,684.32

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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.