Home / 7,675.49-11,513.64-2,481.77

Finding the Fourth Proportional to 7,675.49, 11,513.64 and 2,481.77

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Solution

The fourth proportional to 7,675.49, 11,513.64 and 2,481.77 is: 3,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.49 : 11,513.64 = 2,481.77 : x
  2. Step 2: Convert to fraction form
    7,675.49/11,513.64 = 2,481.77/x
  3. Step 3: Cross multiply
    7,675.49x = 11,513.64 × 2,481.77
  4. Step 4: Simplify right side
    7,675.49x = 28,574,148.77
  5. Step 5: Solve for x
    x = 28,574,148.77/7,675.49
  6. Step 6: Final answer
    x = 3,722.78

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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.