Home / 4,481.02-6,721.21-1,361.14

Finding the Fourth Proportional to 4,481.02, 6,721.21 and 1,361.14

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Solution

The fourth proportional to 4,481.02, 6,721.21 and 1,361.14 is: 2,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.02 : 6,721.21 = 1,361.14 : x
  2. Step 2: Convert to fraction form
    4,481.02/6,721.21 = 1,361.14/x
  3. Step 3: Cross multiply
    4,481.02x = 6,721.21 × 1,361.14
  4. Step 4: Simplify right side
    4,481.02x = 9,148,492.68
  5. Step 5: Solve for x
    x = 9,148,492.68/4,481.02
  6. Step 6: Final answer
    x = 2,041.61

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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.