Home / 5,360.58-8,039.31-2,072.90

Finding the Fourth Proportional to 5,360.58, 8,039.31 and 2,072.90

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Solution

The fourth proportional to 5,360.58, 8,039.31 and 2,072.90 is: 3,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.58 : 8,039.31 = 2,072.90 : x
  2. Step 2: Convert to fraction form
    5,360.58/8,039.31 = 2,072.90/x
  3. Step 3: Cross multiply
    5,360.58x = 8,039.31 × 2,072.90
  4. Step 4: Simplify right side
    5,360.58x = 16,664,685.70
  5. Step 5: Solve for x
    x = 16,664,685.70/5,360.58
  6. Step 6: Final answer
    x = 3,108.75

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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.