Home / 5,386.36-8,078.59-2,463.97

Finding the Fourth Proportional to 5,386.36, 8,078.59 and 2,463.97

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Solution

The fourth proportional to 5,386.36, 8,078.59 and 2,463.97 is: 3,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.36 : 8,078.59 = 2,463.97 : x
  2. Step 2: Convert to fraction form
    5,386.36/8,078.59 = 2,463.97/x
  3. Step 3: Cross multiply
    5,386.36x = 8,078.59 × 2,463.97
  4. Step 4: Simplify right side
    5,386.36x = 19,905,377.05
  5. Step 5: Solve for x
    x = 19,905,377.05/5,386.36
  6. Step 6: Final answer
    x = 3,695.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.