Home / 7,308.06-10,964.64-2,311.20

Finding the Fourth Proportional to 7,308.06, 10,964.64 and 2,311.20

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Solution

The fourth proportional to 7,308.06, 10,964.64 and 2,311.20 is: 3,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.06 : 10,964.64 = 2,311.20 : x
  2. Step 2: Convert to fraction form
    7,308.06/10,964.64 = 2,311.20/x
  3. Step 3: Cross multiply
    7,308.06x = 10,964.64 × 2,311.20
  4. Step 4: Simplify right side
    7,308.06x = 25,341,475.97
  5. Step 5: Solve for x
    x = 25,341,475.97/7,308.06
  6. Step 6: Final answer
    x = 3,467.61

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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.