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Finding the Fourth Proportional to 5,799.40, 8,003.08 and 3,146.80

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Solution

The fourth proportional to 5,799.40, 8,003.08 and 3,146.80 is: 4,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.40 : 8,003.08 = 3,146.80 : x
  2. Step 2: Convert to fraction form
    5,799.40/8,003.08 = 3,146.80/x
  3. Step 3: Cross multiply
    5,799.40x = 8,003.08 × 3,146.80
  4. Step 4: Simplify right side
    5,799.40x = 25,184,092.14
  5. Step 5: Solve for x
    x = 25,184,092.14/5,799.40
  6. Step 6: Final answer
    x = 4,342.53

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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.