Home / 7,772.27-11,655.88-2,576.75

Finding the Fourth Proportional to 7,772.27, 11,655.88 and 2,576.75

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Solution

The fourth proportional to 7,772.27, 11,655.88 and 2,576.75 is: 3,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.27 : 11,655.88 = 2,576.75 : x
  2. Step 2: Convert to fraction form
    7,772.27/11,655.88 = 2,576.75/x
  3. Step 3: Cross multiply
    7,772.27x = 11,655.88 × 2,576.75
  4. Step 4: Simplify right side
    7,772.27x = 30,034,288.79
  5. Step 5: Solve for x
    x = 30,034,288.79/7,772.27
  6. Step 6: Final answer
    x = 3,864.29

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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.