Home / 6,351.22-8,764.70-3,556.72

Finding the Fourth Proportional to 6,351.22, 8,764.70 and 3,556.72

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Solution

The fourth proportional to 6,351.22, 8,764.70 and 3,556.72 is: 4,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.22 : 8,764.70 = 3,556.72 : x
  2. Step 2: Convert to fraction form
    6,351.22/8,764.70 = 3,556.72/x
  3. Step 3: Cross multiply
    6,351.22x = 8,764.70 × 3,556.72
  4. Step 4: Simplify right side
    6,351.22x = 31,173,522.18
  5. Step 5: Solve for x
    x = 31,173,522.18/6,351.22
  6. Step 6: Final answer
    x = 4,908.28

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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.