Home / 4,125.81-6,188.92-1,351.36

Finding the Fourth Proportional to 4,125.81, 6,188.92 and 1,351.36

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Solution

The fourth proportional to 4,125.81, 6,188.92 and 1,351.36 is: 2,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.81 : 6,188.92 = 1,351.36 : x
  2. Step 2: Convert to fraction form
    4,125.81/6,188.92 = 1,351.36/x
  3. Step 3: Cross multiply
    4,125.81x = 6,188.92 × 1,351.36
  4. Step 4: Simplify right side
    4,125.81x = 8,363,440.08
  5. Step 5: Solve for x
    x = 8,363,440.08/4,125.81
  6. Step 6: Final answer
    x = 2,027.10

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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.