Home / 7,979.58-11,965.83-3,045.75

Finding the Fourth Proportional to 7,979.58, 11,965.83 and 3,045.75

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Solution

The fourth proportional to 7,979.58, 11,965.83 and 3,045.75 is: 4,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.58 : 11,965.83 = 3,045.75 : x
  2. Step 2: Convert to fraction form
    7,979.58/11,965.83 = 3,045.75/x
  3. Step 3: Cross multiply
    7,979.58x = 11,965.83 × 3,045.75
  4. Step 4: Simplify right side
    7,979.58x = 36,444,926.72
  5. Step 5: Solve for x
    x = 36,444,926.72/7,979.58
  6. Step 6: Final answer
    x = 4,567.27

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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.