Home / 7,725.18-11,587.70-2,531

Finding the Fourth Proportional to 7,725.18, 11,587.70 and 2,531

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Solution

The fourth proportional to 7,725.18, 11,587.70 and 2,531 is: 3,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.18 : 11,587.70 = 2,531 : x
  2. Step 2: Convert to fraction form
    7,725.18/11,587.70 = 2,531/x
  3. Step 3: Cross multiply
    7,725.18x = 11,587.70 × 2,531
  4. Step 4: Simplify right side
    7,725.18x = 29,328,468.70
  5. Step 5: Solve for x
    x = 29,328,468.70/7,725.18
  6. Step 6: Final answer
    x = 3,796.48

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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.