Home / 2,083.24-2,872.20-1,335.84

Finding the Fourth Proportional to 2,083.24, 2,872.20 and 1,335.84

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Solution

The fourth proportional to 2,083.24, 2,872.20 and 1,335.84 is: 1,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.24 : 2,872.20 = 1,335.84 : x
  2. Step 2: Convert to fraction form
    2,083.24/2,872.20 = 1,335.84/x
  3. Step 3: Cross multiply
    2,083.24x = 2,872.20 × 1,335.84
  4. Step 4: Simplify right side
    2,083.24x = 3,836,799.65
  5. Step 5: Solve for x
    x = 3,836,799.65/2,083.24
  6. Step 6: Final answer
    x = 1,841.75

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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.