Home / 5,258.30-7,898.91-3,179.29

Finding the Fourth Proportional to 5,258.30, 7,898.91 and 3,179.29

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Solution

The fourth proportional to 5,258.30, 7,898.91 and 3,179.29 is: 4,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.30 : 7,898.91 = 3,179.29 : x
  2. Step 2: Convert to fraction form
    5,258.30/7,898.91 = 3,179.29/x
  3. Step 3: Cross multiply
    5,258.30x = 7,898.91 × 3,179.29
  4. Step 4: Simplify right side
    5,258.30x = 25,112,870.18
  5. Step 5: Solve for x
    x = 25,112,870.18/5,258.30
  6. Step 6: Final answer
    x = 4,775.85

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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.