Home / 4,112.77-6,169.70-2,165.08

Finding the Fourth Proportional to 4,112.77, 6,169.70 and 2,165.08

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Solution

The fourth proportional to 4,112.77, 6,169.70 and 2,165.08 is: 3,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.77 : 6,169.70 = 2,165.08 : x
  2. Step 2: Convert to fraction form
    4,112.77/6,169.70 = 2,165.08/x
  3. Step 3: Cross multiply
    4,112.77x = 6,169.70 × 2,165.08
  4. Step 4: Simplify right side
    4,112.77x = 13,357,896.38
  5. Step 5: Solve for x
    x = 13,357,896.38/4,112.77
  6. Step 6: Final answer
    x = 3,247.91

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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.