Home / 7,974.03-11,953.24-2,972.74

Finding the Fourth Proportional to 7,974.03, 11,953.24 and 2,972.74

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Solution

The fourth proportional to 7,974.03, 11,953.24 and 2,972.74 is: 4,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.03 : 11,953.24 = 2,972.74 : x
  2. Step 2: Convert to fraction form
    7,974.03/11,953.24 = 2,972.74/x
  3. Step 3: Cross multiply
    7,974.03x = 11,953.24 × 2,972.74
  4. Step 4: Simplify right side
    7,974.03x = 35,533,859.81
  5. Step 5: Solve for x
    x = 35,533,859.81/7,974.03
  6. Step 6: Final answer
    x = 4,456.20

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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.