Home / 5,179.41-7,756.74-2,835.90

Finding the Fourth Proportional to 5,179.41, 7,756.74 and 2,835.90

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Solution

The fourth proportional to 5,179.41, 7,756.74 and 2,835.90 is: 4,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.41 : 7,756.74 = 2,835.90 : x
  2. Step 2: Convert to fraction form
    5,179.41/7,756.74 = 2,835.90/x
  3. Step 3: Cross multiply
    5,179.41x = 7,756.74 × 2,835.90
  4. Step 4: Simplify right side
    5,179.41x = 21,997,338.97
  5. Step 5: Solve for x
    x = 21,997,338.97/5,179.41
  6. Step 6: Final answer
    x = 4,247.07

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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.