Home / 5,913.37-8,160.28-3,260.78

Finding the Fourth Proportional to 5,913.37, 8,160.28 and 3,260.78

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Solution

The fourth proportional to 5,913.37, 8,160.28 and 3,260.78 is: 4,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.37 : 8,160.28 = 3,260.78 : x
  2. Step 2: Convert to fraction form
    5,913.37/8,160.28 = 3,260.78/x
  3. Step 3: Cross multiply
    5,913.37x = 8,160.28 × 3,260.78
  4. Step 4: Simplify right side
    5,913.37x = 26,608,883.94
  5. Step 5: Solve for x
    x = 26,608,883.94/5,913.37
  6. Step 6: Final answer
    x = 4,499.78

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