Home / 7,141.77-10,714.62-2,983.73

Finding the Fourth Proportional to 7,141.77, 10,714.62 and 2,983.73

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Solution

The fourth proportional to 7,141.77, 10,714.62 and 2,983.73 is: 4,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.77 : 10,714.62 = 2,983.73 : x
  2. Step 2: Convert to fraction form
    7,141.77/10,714.62 = 2,983.73/x
  3. Step 3: Cross multiply
    7,141.77x = 10,714.62 × 2,983.73
  4. Step 4: Simplify right side
    7,141.77x = 31,969,479.56
  5. Step 5: Solve for x
    x = 31,969,479.56/7,141.77
  6. Step 6: Final answer
    x = 4,476.41

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1.5x scale

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.