Home / 6,709.22-9,258.99-3,876.50

Finding the Fourth Proportional to 6,709.22, 9,258.99 and 3,876.50

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Solution

The fourth proportional to 6,709.22, 9,258.99 and 3,876.50 is: 5,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709.22 : 9,258.99 = 3,876.50 : x
  2. Step 2: Convert to fraction form
    6,709.22/9,258.99 = 3,876.50/x
  3. Step 3: Cross multiply
    6,709.22x = 9,258.99 × 3,876.50
  4. Step 4: Simplify right side
    6,709.22x = 35,892,474.74
  5. Step 5: Solve for x
    x = 35,892,474.74/6,709.22
  6. Step 6: Final answer
    x = 5,349.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.