Home / 4,578.10-6,863.29-3,187.33

Finding the Fourth Proportional to 4,578.10, 6,863.29 and 3,187.33

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Solution

The fourth proportional to 4,578.10, 6,863.29 and 3,187.33 is: 4,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.10 : 6,863.29 = 3,187.33 : x
  2. Step 2: Convert to fraction form
    4,578.10/6,863.29 = 3,187.33/x
  3. Step 3: Cross multiply
    4,578.10x = 6,863.29 × 3,187.33
  4. Step 4: Simplify right side
    4,578.10x = 21,875,570.12
  5. Step 5: Solve for x
    x = 21,875,570.12/4,578.10
  6. Step 6: Final answer
    x = 4,778.31

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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.