Home / 5,168.48-7,751.43-3,622.28

Finding the Fourth Proportional to 5,168.48, 7,751.43 and 3,622.28

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Solution

The fourth proportional to 5,168.48, 7,751.43 and 3,622.28 is: 5,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.48 : 7,751.43 = 3,622.28 : x
  2. Step 2: Convert to fraction form
    5,168.48/7,751.43 = 3,622.28/x
  3. Step 3: Cross multiply
    5,168.48x = 7,751.43 × 3,622.28
  4. Step 4: Simplify right side
    5,168.48x = 28,077,811.10
  5. Step 5: Solve for x
    x = 28,077,811.10/5,168.48
  6. Step 6: Final answer
    x = 5,432.51

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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.