Home / 6,601.20-9,102.12-5,274

Finding the Fourth Proportional to 6,601.20, 9,102.12 and 5,274

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Solution

The fourth proportional to 6,601.20, 9,102.12 and 5,274 is: 7,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.20 : 9,102.12 = 5,274 : x
  2. Step 2: Convert to fraction form
    6,601.20/9,102.12 = 5,274/x
  3. Step 3: Cross multiply
    6,601.20x = 9,102.12 × 5,274
  4. Step 4: Simplify right side
    6,601.20x = 48,004,580.88
  5. Step 5: Solve for x
    x = 48,004,580.88/6,601.20
  6. Step 6: Final answer
    x = 7,272.10

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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.