Home / 5,410.25-8,108.38-2,775.57

Finding the Fourth Proportional to 5,410.25, 8,108.38 and 2,775.57

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Solution

The fourth proportional to 5,410.25, 8,108.38 and 2,775.57 is: 4,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.25 : 8,108.38 = 2,775.57 : x
  2. Step 2: Convert to fraction form
    5,410.25/8,108.38 = 2,775.57/x
  3. Step 3: Cross multiply
    5,410.25x = 8,108.38 × 2,775.57
  4. Step 4: Simplify right side
    5,410.25x = 22,505,376.28
  5. Step 5: Solve for x
    x = 22,505,376.28/5,410.25
  6. Step 6: Final answer
    x = 4,159.77

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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.