Home / 7,908.50-11,858.97-2,359.89

Finding the Fourth Proportional to 7,908.50, 11,858.97 and 2,359.89

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Solution

The fourth proportional to 7,908.50, 11,858.97 and 2,359.89 is: 3,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.50 : 11,858.97 = 2,359.89 : x
  2. Step 2: Convert to fraction form
    7,908.50/11,858.97 = 2,359.89/x
  3. Step 3: Cross multiply
    7,908.50x = 11,858.97 × 2,359.89
  4. Step 4: Simplify right side
    7,908.50x = 27,985,864.71
  5. Step 5: Solve for x
    x = 27,985,864.71/7,908.50
  6. Step 6: Final answer
    x = 3,538.71

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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.