Home / 5,904.12-8,142-3,883.92

Finding the Fourth Proportional to 5,904.12, 8,142 and 3,883.92

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Solution

The fourth proportional to 5,904.12, 8,142 and 3,883.92 is: 5,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.12 : 8,142 = 3,883.92 : x
  2. Step 2: Convert to fraction form
    5,904.12/8,142 = 3,883.92/x
  3. Step 3: Cross multiply
    5,904.12x = 8,142 × 3,883.92
  4. Step 4: Simplify right side
    5,904.12x = 31,622,876.64
  5. Step 5: Solve for x
    x = 31,622,876.64/5,904.12
  6. Step 6: Final answer
    x = 5,356.07

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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.