Home / 7,930.07-11,882.74-2,997.01

Finding the Fourth Proportional to 7,930.07, 11,882.74 and 2,997.01

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Solution

The fourth proportional to 7,930.07, 11,882.74 and 2,997.01 is: 4,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.07 : 11,882.74 = 2,997.01 : x
  2. Step 2: Convert to fraction form
    7,930.07/11,882.74 = 2,997.01/x
  3. Step 3: Cross multiply
    7,930.07x = 11,882.74 × 2,997.01
  4. Step 4: Simplify right side
    7,930.07x = 35,612,690.61
  5. Step 5: Solve for x
    x = 35,612,690.61/7,930.07
  6. Step 6: Final answer
    x = 4,490.84

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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.