Home / 5,179.28-7,768.71-2,059.16

Finding the Fourth Proportional to 5,179.28, 7,768.71 and 2,059.16

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Solution

The fourth proportional to 5,179.28, 7,768.71 and 2,059.16 is: 3,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.28 : 7,768.71 = 2,059.16 : x
  2. Step 2: Convert to fraction form
    5,179.28/7,768.71 = 2,059.16/x
  3. Step 3: Cross multiply
    5,179.28x = 7,768.71 × 2,059.16
  4. Step 4: Simplify right side
    5,179.28x = 15,996,978.04
  5. Step 5: Solve for x
    x = 15,996,978.04/5,179.28
  6. Step 6: Final answer
    x = 3,088.65

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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.