Home / 4,208.22-6,313.29-2,978.04

Finding the Fourth Proportional to 4,208.22, 6,313.29 and 2,978.04

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Solution

The fourth proportional to 4,208.22, 6,313.29 and 2,978.04 is: 4,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.22 : 6,313.29 = 2,978.04 : x
  2. Step 2: Convert to fraction form
    4,208.22/6,313.29 = 2,978.04/x
  3. Step 3: Cross multiply
    4,208.22x = 6,313.29 × 2,978.04
  4. Step 4: Simplify right side
    4,208.22x = 18,801,230.15
  5. Step 5: Solve for x
    x = 18,801,230.15/4,208.22
  6. Step 6: Final answer
    x = 4,467.74

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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.