Home / 3,871.69-5,341.76-2,192.83

Finding the Fourth Proportional to 3,871.69, 5,341.76 and 2,192.83

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Solution

The fourth proportional to 3,871.69, 5,341.76 and 2,192.83 is: 3,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.69 : 5,341.76 = 2,192.83 : x
  2. Step 2: Convert to fraction form
    3,871.69/5,341.76 = 2,192.83/x
  3. Step 3: Cross multiply
    3,871.69x = 5,341.76 × 2,192.83
  4. Step 4: Simplify right side
    3,871.69x = 11,713,560.62
  5. Step 5: Solve for x
    x = 11,713,560.62/3,871.69
  6. Step 6: Final answer
    x = 3,025.44

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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.