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Finding the Fourth Proportional to 5,393.75, 8,090.62 and 3,083.63

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Solution

The fourth proportional to 5,393.75, 8,090.62 and 3,083.63 is: 4,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.75 : 8,090.62 = 3,083.63 : x
  2. Step 2: Convert to fraction form
    5,393.75/8,090.62 = 3,083.63/x
  3. Step 3: Cross multiply
    5,393.75x = 8,090.62 × 3,083.63
  4. Step 4: Simplify right side
    5,393.75x = 24,948,430.39
  5. Step 5: Solve for x
    x = 24,948,430.39/5,393.75
  6. Step 6: Final answer
    x = 4,625.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.