Home / 7,974.47-11,953.89-2,973.18

Finding the Fourth Proportional to 7,974.47, 11,953.89 and 2,973.18

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Solution

The fourth proportional to 7,974.47, 11,953.89 and 2,973.18 is: 4,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.47 : 11,953.89 = 2,973.18 : x
  2. Step 2: Convert to fraction form
    7,974.47/11,953.89 = 2,973.18/x
  3. Step 3: Cross multiply
    7,974.47x = 11,953.89 × 2,973.18
  4. Step 4: Simplify right side
    7,974.47x = 35,541,066.67
  5. Step 5: Solve for x
    x = 35,541,066.67/7,974.47
  6. Step 6: Final answer
    x = 4,456.86

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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.