Home / 5,929.52-8,185.62-3,943.40

Finding the Fourth Proportional to 5,929.52, 8,185.62 and 3,943.40

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Solution

The fourth proportional to 5,929.52, 8,185.62 and 3,943.40 is: 5,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.52 : 8,185.62 = 3,943.40 : x
  2. Step 2: Convert to fraction form
    5,929.52/8,185.62 = 3,943.40/x
  3. Step 3: Cross multiply
    5,929.52x = 8,185.62 × 3,943.40
  4. Step 4: Simplify right side
    5,929.52x = 32,279,173.91
  5. Step 5: Solve for x
    x = 32,279,173.91/5,929.52
  6. Step 6: Final answer
    x = 5,443.81

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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.