Home / 7,904.82-11,856.87-2,974.08

Finding the Fourth Proportional to 7,904.82, 11,856.87 and 2,974.08

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Solution

The fourth proportional to 7,904.82, 11,856.87 and 2,974.08 is: 4,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.82 : 11,856.87 = 2,974.08 : x
  2. Step 2: Convert to fraction form
    7,904.82/11,856.87 = 2,974.08/x
  3. Step 3: Cross multiply
    7,904.82x = 11,856.87 × 2,974.08
  4. Step 4: Simplify right side
    7,904.82x = 35,263,279.93
  5. Step 5: Solve for x
    x = 35,263,279.93/7,904.82
  6. Step 6: Final answer
    x = 4,460.98

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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.