Home / 7,867.89-11,797.76-2,320.52

Finding the Fourth Proportional to 7,867.89, 11,797.76 and 2,320.52

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Solution

The fourth proportional to 7,867.89, 11,797.76 and 2,320.52 is: 3,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.89 : 11,797.76 = 2,320.52 : x
  2. Step 2: Convert to fraction form
    7,867.89/11,797.76 = 2,320.52/x
  3. Step 3: Cross multiply
    7,867.89x = 11,797.76 × 2,320.52
  4. Step 4: Simplify right side
    7,867.89x = 27,376,973.33
  5. Step 5: Solve for x
    x = 27,376,973.33/7,867.89
  6. Step 6: Final answer
    x = 3,479.58

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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.