Home / 2,184.27-3,013.39-1,387.38

Finding the Fourth Proportional to 2,184.27, 3,013.39 and 1,387.38

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Solution

The fourth proportional to 2,184.27, 3,013.39 and 1,387.38 is: 1,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.27 : 3,013.39 = 1,387.38 : x
  2. Step 2: Convert to fraction form
    2,184.27/3,013.39 = 1,387.38/x
  3. Step 3: Cross multiply
    2,184.27x = 3,013.39 × 1,387.38
  4. Step 4: Simplify right side
    2,184.27x = 4,180,711.15
  5. Step 5: Solve for x
    x = 4,180,711.15/2,184.27
  6. Step 6: Final answer
    x = 1,914.01

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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.