Home / 7,311.76-10,973.31-2,929.66

Finding the Fourth Proportional to 7,311.76, 10,973.31 and 2,929.66

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Solution

The fourth proportional to 7,311.76, 10,973.31 and 2,929.66 is: 4,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.76 : 10,973.31 = 2,929.66 : x
  2. Step 2: Convert to fraction form
    7,311.76/10,973.31 = 2,929.66/x
  3. Step 3: Cross multiply
    7,311.76x = 10,973.31 × 2,929.66
  4. Step 4: Simplify right side
    7,311.76x = 32,148,067.37
  5. Step 5: Solve for x
    x = 32,148,067.37/7,311.76
  6. Step 6: Final answer
    x = 4,396.76

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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.