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Finding the Fourth Proportional to 6,193.40, 8,546.38 and 3,398.90

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Solution

The fourth proportional to 6,193.40, 8,546.38 and 3,398.90 is: 4,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,193.40 : 8,546.38 = 3,398.90 : x
  2. Step 2: Convert to fraction form
    6,193.40/8,546.38 = 3,398.90/x
  3. Step 3: Cross multiply
    6,193.40x = 8,546.38 × 3,398.90
  4. Step 4: Simplify right side
    6,193.40x = 29,048,239.75
  5. Step 5: Solve for x
    x = 29,048,239.75/6,193.40
  6. Step 6: Final answer
    x = 4,690.20

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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.