Home / 6,102.66-8,420.16-3,450.02

Finding the Fourth Proportional to 6,102.66, 8,420.16 and 3,450.02

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Solution

The fourth proportional to 6,102.66, 8,420.16 and 3,450.02 is: 4,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.66 : 8,420.16 = 3,450.02 : x
  2. Step 2: Convert to fraction form
    6,102.66/8,420.16 = 3,450.02/x
  3. Step 3: Cross multiply
    6,102.66x = 8,420.16 × 3,450.02
  4. Step 4: Simplify right side
    6,102.66x = 29,049,691.24
  5. Step 5: Solve for x
    x = 29,049,691.24/6,102.66
  6. Step 6: Final answer
    x = 4,760.17

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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.