Home / 6,481.48-9,722.37-2,321.78

Finding the Fourth Proportional to 6,481.48, 9,722.37 and 2,321.78

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Solution

The fourth proportional to 6,481.48, 9,722.37 and 2,321.78 is: 3,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.48 : 9,722.37 = 2,321.78 : x
  2. Step 2: Convert to fraction form
    6,481.48/9,722.37 = 2,321.78/x
  3. Step 3: Cross multiply
    6,481.48x = 9,722.37 × 2,321.78
  4. Step 4: Simplify right side
    6,481.48x = 22,573,204.22
  5. Step 5: Solve for x
    x = 22,573,204.22/6,481.48
  6. Step 6: Final answer
    x = 3,482.72

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1.5x scale

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.