Home / 3,582.11-4,943.07-2,089.78

Finding the Fourth Proportional to 3,582.11, 4,943.07 and 2,089.78

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Solution

The fourth proportional to 3,582.11, 4,943.07 and 2,089.78 is: 2,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.11 : 4,943.07 = 2,089.78 : x
  2. Step 2: Convert to fraction form
    3,582.11/4,943.07 = 2,089.78/x
  3. Step 3: Cross multiply
    3,582.11x = 4,943.07 × 2,089.78
  4. Step 4: Simplify right side
    3,582.11x = 10,329,935.00
  5. Step 5: Solve for x
    x = 10,329,935.00/3,582.11
  6. Step 6: Final answer
    x = 2,883.76

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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.