Home / 6,707.20-9,255.76-3,722.96

Finding the Fourth Proportional to 6,707.20, 9,255.76 and 3,722.96

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Solution

The fourth proportional to 6,707.20, 9,255.76 and 3,722.96 is: 5,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.20 : 9,255.76 = 3,722.96 : x
  2. Step 2: Convert to fraction form
    6,707.20/9,255.76 = 3,722.96/x
  3. Step 3: Cross multiply
    6,707.20x = 9,255.76 × 3,722.96
  4. Step 4: Simplify right side
    6,707.20x = 34,458,824.25
  5. Step 5: Solve for x
    x = 34,458,824.25/6,707.20
  6. Step 6: Final answer
    x = 5,137.59

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1.5x scale

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.