Home / 3,110.32-4,292.36-1,932.04

Finding the Fourth Proportional to 3,110.32, 4,292.36 and 1,932.04

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Solution

The fourth proportional to 3,110.32, 4,292.36 and 1,932.04 is: 2,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.32 : 4,292.36 = 1,932.04 : x
  2. Step 2: Convert to fraction form
    3,110.32/4,292.36 = 1,932.04/x
  3. Step 3: Cross multiply
    3,110.32x = 4,292.36 × 1,932.04
  4. Step 4: Simplify right side
    3,110.32x = 8,293,011.21
  5. Step 5: Solve for x
    x = 8,293,011.21/3,110.32
  6. Step 6: Final answer
    x = 2,666.29

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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.