Home / 6,749.11-10,125.15-2,069.76

Finding the Fourth Proportional to 6,749.11, 10,125.15 and 2,069.76

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Solution

The fourth proportional to 6,749.11, 10,125.15 and 2,069.76 is: 3,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.11 : 10,125.15 = 2,069.76 : x
  2. Step 2: Convert to fraction form
    6,749.11/10,125.15 = 2,069.76/x
  3. Step 3: Cross multiply
    6,749.11x = 10,125.15 × 2,069.76
  4. Step 4: Simplify right side
    6,749.11x = 20,956,620.12
  5. Step 5: Solve for x
    x = 20,956,620.12/6,749.11
  6. Step 6: Final answer
    x = 3,105.10

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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.