Home / 5,557.37-8,331.72-2,782.61

Finding the Fourth Proportional to 5,557.37, 8,331.72 and 2,782.61

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Solution

The fourth proportional to 5,557.37, 8,331.72 and 2,782.61 is: 4,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.37 : 8,331.72 = 2,782.61 : x
  2. Step 2: Convert to fraction form
    5,557.37/8,331.72 = 2,782.61/x
  3. Step 3: Cross multiply
    5,557.37x = 8,331.72 × 2,782.61
  4. Step 4: Simplify right side
    5,557.37x = 23,183,927.39
  5. Step 5: Solve for x
    x = 23,183,927.39/5,557.37
  6. Step 6: Final answer
    x = 4,171.75

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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.