Home / 3,653.84-5,042.30-2,081.92

Finding the Fourth Proportional to 3,653.84, 5,042.30 and 2,081.92

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Solution

The fourth proportional to 3,653.84, 5,042.30 and 2,081.92 is: 2,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.84 : 5,042.30 = 2,081.92 : x
  2. Step 2: Convert to fraction form
    3,653.84/5,042.30 = 2,081.92/x
  3. Step 3: Cross multiply
    3,653.84x = 5,042.30 × 2,081.92
  4. Step 4: Simplify right side
    3,653.84x = 10,497,665.22
  5. Step 5: Solve for x
    x = 10,497,665.22/3,653.84
  6. Step 6: Final answer
    x = 2,873.05

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1.5x scale

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.