Home / 7,717.80-11,576.70-3,104.04

Finding the Fourth Proportional to 7,717.80, 11,576.70 and 3,104.04

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Solution

The fourth proportional to 7,717.80, 11,576.70 and 3,104.04 is: 4,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.80 : 11,576.70 = 3,104.04 : x
  2. Step 2: Convert to fraction form
    7,717.80/11,576.70 = 3,104.04/x
  3. Step 3: Cross multiply
    7,717.80x = 11,576.70 × 3,104.04
  4. Step 4: Simplify right side
    7,717.80x = 35,934,539.87
  5. Step 5: Solve for x
    x = 35,934,539.87/7,717.80
  6. Step 6: Final answer
    x = 4,656.06

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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.