Home / 7,324.40-10,984.33-2,643.80

Finding the Fourth Proportional to 7,324.40, 10,984.33 and 2,643.80

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Solution

The fourth proportional to 7,324.40, 10,984.33 and 2,643.80 is: 3,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.40 : 10,984.33 = 2,643.80 : x
  2. Step 2: Convert to fraction form
    7,324.40/10,984.33 = 2,643.80/x
  3. Step 3: Cross multiply
    7,324.40x = 10,984.33 × 2,643.80
  4. Step 4: Simplify right side
    7,324.40x = 29,040,392.51
  5. Step 5: Solve for x
    x = 29,040,392.51/7,324.40
  6. Step 6: Final answer
    x = 3,964.88

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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.