Home / 4,997.30-6,894.11-2,872.34

Finding the Fourth Proportional to 4,997.30, 6,894.11 and 2,872.34

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Solution

The fourth proportional to 4,997.30, 6,894.11 and 2,872.34 is: 3,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.30 : 6,894.11 = 2,872.34 : x
  2. Step 2: Convert to fraction form
    4,997.30/6,894.11 = 2,872.34/x
  3. Step 3: Cross multiply
    4,997.30x = 6,894.11 × 2,872.34
  4. Step 4: Simplify right side
    4,997.30x = 19,802,207.09
  5. Step 5: Solve for x
    x = 19,802,207.09/4,997.30
  6. Step 6: Final answer
    x = 3,962.59

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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.