Home / 7,974.91-11,954.55-2,973.62

Finding the Fourth Proportional to 7,974.91, 11,954.55 and 2,973.62

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Solution

The fourth proportional to 7,974.91, 11,954.55 and 2,973.62 is: 4,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.91 : 11,954.55 = 2,973.62 : x
  2. Step 2: Convert to fraction form
    7,974.91/11,954.55 = 2,973.62/x
  3. Step 3: Cross multiply
    7,974.91x = 11,954.55 × 2,973.62
  4. Step 4: Simplify right side
    7,974.91x = 35,548,214.33
  5. Step 5: Solve for x
    x = 35,548,214.33/7,974.91
  6. Step 6: Final answer
    x = 4,457.51

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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.