Home / 4,622.76-6,921.72-3,521.88

Finding the Fourth Proportional to 4,622.76, 6,921.72 and 3,521.88

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Solution

The fourth proportional to 4,622.76, 6,921.72 and 3,521.88 is: 5,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.76 : 6,921.72 = 3,521.88 : x
  2. Step 2: Convert to fraction form
    4,622.76/6,921.72 = 3,521.88/x
  3. Step 3: Cross multiply
    4,622.76x = 6,921.72 × 3,521.88
  4. Step 4: Simplify right side
    4,622.76x = 24,377,467.23
  5. Step 5: Solve for x
    x = 24,377,467.23/4,622.76
  6. Step 6: Final answer
    x = 5,273.36

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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.