Home / 6,192.75-8,546.55-3,398.79

Finding the Fourth Proportional to 6,192.75, 8,546.55 and 3,398.79

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Solution

The fourth proportional to 6,192.75, 8,546.55 and 3,398.79 is: 4,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.75 : 8,546.55 = 3,398.79 : x
  2. Step 2: Convert to fraction form
    6,192.75/8,546.55 = 3,398.79/x
  3. Step 3: Cross multiply
    6,192.75x = 8,546.55 × 3,398.79
  4. Step 4: Simplify right side
    6,192.75x = 29,047,928.67
  5. Step 5: Solve for x
    x = 29,047,928.67/6,192.75
  6. Step 6: Final answer
    x = 4,690.63

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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.