Home / 7,265.92-10,899.60-2,072.56

Finding the Fourth Proportional to 7,265.92, 10,899.60 and 2,072.56

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Solution

The fourth proportional to 7,265.92, 10,899.60 and 2,072.56 is: 3,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.92 : 10,899.60 = 2,072.56 : x
  2. Step 2: Convert to fraction form
    7,265.92/10,899.60 = 2,072.56/x
  3. Step 3: Cross multiply
    7,265.92x = 10,899.60 × 2,072.56
  4. Step 4: Simplify right side
    7,265.92x = 22,590,074.98
  5. Step 5: Solve for x
    x = 22,590,074.98/7,265.92
  6. Step 6: Final answer
    x = 3,109.05

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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.