Home / 5,179.80-7,772.86-2,059.24

Finding the Fourth Proportional to 5,179.80, 7,772.86 and 2,059.24

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Solution

The fourth proportional to 5,179.80, 7,772.86 and 2,059.24 is: 3,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.80 : 7,772.86 = 2,059.24 : x
  2. Step 2: Convert to fraction form
    5,179.80/7,772.86 = 2,059.24/x
  3. Step 3: Cross multiply
    5,179.80x = 7,772.86 × 2,059.24
  4. Step 4: Simplify right side
    5,179.80x = 16,006,184.23
  5. Step 5: Solve for x
    x = 16,006,184.23/5,179.80
  6. Step 6: Final answer
    x = 3,090.12

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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.