Home / 5,737.83-7,917.72-3,219.60

Finding the Fourth Proportional to 5,737.83, 7,917.72 and 3,219.60

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Solution

The fourth proportional to 5,737.83, 7,917.72 and 3,219.60 is: 4,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.83 : 7,917.72 = 3,219.60 : x
  2. Step 2: Convert to fraction form
    5,737.83/7,917.72 = 3,219.60/x
  3. Step 3: Cross multiply
    5,737.83x = 7,917.72 × 3,219.60
  4. Step 4: Simplify right side
    5,737.83x = 25,491,891.31
  5. Step 5: Solve for x
    x = 25,491,891.31/5,737.83
  6. Step 6: Final answer
    x = 4,442.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.