Home / 6,734.20-10,101.30-2,116.60

Finding the Fourth Proportional to 6,734.20, 10,101.30 and 2,116.60

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Solution

The fourth proportional to 6,734.20, 10,101.30 and 2,116.60 is: 3,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,734.20 : 10,101.30 = 2,116.60 : x
  2. Step 2: Convert to fraction form
    6,734.20/10,101.30 = 2,116.60/x
  3. Step 3: Cross multiply
    6,734.20x = 10,101.30 × 2,116.60
  4. Step 4: Simplify right side
    6,734.20x = 21,380,411.58
  5. Step 5: Solve for x
    x = 21,380,411.58/6,734.20
  6. Step 6: Final answer
    x = 3,174.90

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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.