Home / 3,186.11-4,398.63-2,068.04

Finding the Fourth Proportional to 3,186.11, 4,398.63 and 2,068.04

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Solution

The fourth proportional to 3,186.11, 4,398.63 and 2,068.04 is: 2,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.11 : 4,398.63 = 2,068.04 : x
  2. Step 2: Convert to fraction form
    3,186.11/4,398.63 = 2,068.04/x
  3. Step 3: Cross multiply
    3,186.11x = 4,398.63 × 2,068.04
  4. Step 4: Simplify right side
    3,186.11x = 9,096,542.79
  5. Step 5: Solve for x
    x = 9,096,542.79/3,186.11
  6. Step 6: Final answer
    x = 2,855.06

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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.