Home / 4,959.35-7,429.30-2,179.43

Finding the Fourth Proportional to 4,959.35, 7,429.30 and 2,179.43

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Solution

The fourth proportional to 4,959.35, 7,429.30 and 2,179.43 is: 3,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.35 : 7,429.30 = 2,179.43 : x
  2. Step 2: Convert to fraction form
    4,959.35/7,429.30 = 2,179.43/x
  3. Step 3: Cross multiply
    4,959.35x = 7,429.30 × 2,179.43
  4. Step 4: Simplify right side
    4,959.35x = 16,191,639.30
  5. Step 5: Solve for x
    x = 16,191,639.30/4,959.35
  6. Step 6: Final answer
    x = 3,264.87

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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.