Home / 7,724.67-11,587.14-2,530.50

Finding the Fourth Proportional to 7,724.67, 11,587.14 and 2,530.50

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Solution

The fourth proportional to 7,724.67, 11,587.14 and 2,530.50 is: 3,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.67 : 11,587.14 = 2,530.50 : x
  2. Step 2: Convert to fraction form
    7,724.67/11,587.14 = 2,530.50/x
  3. Step 3: Cross multiply
    7,724.67x = 11,587.14 × 2,530.50
  4. Step 4: Simplify right side
    7,724.67x = 29,321,257.77
  5. Step 5: Solve for x
    x = 29,321,257.77/7,724.67
  6. Step 6: Final answer
    x = 3,795.79

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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.