Home / 7,322.30-10,983.44-2,939.75

Finding the Fourth Proportional to 7,322.30, 10,983.44 and 2,939.75

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Solution

The fourth proportional to 7,322.30, 10,983.44 and 2,939.75 is: 4,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.30 : 10,983.44 = 2,939.75 : x
  2. Step 2: Convert to fraction form
    7,322.30/10,983.44 = 2,939.75/x
  3. Step 3: Cross multiply
    7,322.30x = 10,983.44 × 2,939.75
  4. Step 4: Simplify right side
    7,322.30x = 32,288,567.74
  5. Step 5: Solve for x
    x = 32,288,567.74/7,322.30
  6. Step 6: Final answer
    x = 4,409.62

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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.