Home / 3,863.81-5,332.05-2,095.41

Finding the Fourth Proportional to 3,863.81, 5,332.05 and 2,095.41

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Solution

The fourth proportional to 3,863.81, 5,332.05 and 2,095.41 is: 2,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.81 : 5,332.05 = 2,095.41 : x
  2. Step 2: Convert to fraction form
    3,863.81/5,332.05 = 2,095.41/x
  3. Step 3: Cross multiply
    3,863.81x = 5,332.05 × 2,095.41
  4. Step 4: Simplify right side
    3,863.81x = 11,172,830.89
  5. Step 5: Solve for x
    x = 11,172,830.89/3,863.81
  6. Step 6: Final answer
    x = 2,891.66

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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.