Home / 6,192.72-8,546.16-3,398.28

Finding the Fourth Proportional to 6,192.72, 8,546.16 and 3,398.28

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Solution

The fourth proportional to 6,192.72, 8,546.16 and 3,398.28 is: 4,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.72 : 8,546.16 = 3,398.28 : x
  2. Step 2: Convert to fraction form
    6,192.72/8,546.16 = 3,398.28/x
  3. Step 3: Cross multiply
    6,192.72x = 8,546.16 × 3,398.28
  4. Step 4: Simplify right side
    6,192.72x = 29,042,244.60
  5. Step 5: Solve for x
    x = 29,042,244.60/6,192.72
  6. Step 6: Final answer
    x = 4,689.74

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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.