Home / 6,171.30-9,258-3,399.30

Finding the Fourth Proportional to 6,171.30, 9,258 and 3,399.30

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Solution

The fourth proportional to 6,171.30, 9,258 and 3,399.30 is: 5,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.30 : 9,258 = 3,399.30 : x
  2. Step 2: Convert to fraction form
    6,171.30/9,258 = 3,399.30/x
  3. Step 3: Cross multiply
    6,171.30x = 9,258 × 3,399.30
  4. Step 4: Simplify right side
    6,171.30x = 31,470,719.40
  5. Step 5: Solve for x
    x = 31,470,719.40/6,171.30
  6. Step 6: Final answer
    x = 5,099.53

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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.