Home / 4,910.30-7,372.20-3,166.10

Finding the Fourth Proportional to 4,910.30, 7,372.20 and 3,166.10

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Solution

The fourth proportional to 4,910.30, 7,372.20 and 3,166.10 is: 4,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.30 : 7,372.20 = 3,166.10 : x
  2. Step 2: Convert to fraction form
    4,910.30/7,372.20 = 3,166.10/x
  3. Step 3: Cross multiply
    4,910.30x = 7,372.20 × 3,166.10
  4. Step 4: Simplify right side
    4,910.30x = 23,341,122.42
  5. Step 5: Solve for x
    x = 23,341,122.42/4,910.30
  6. Step 6: Final answer
    x = 4,753.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.