Home / 3,181.43-4,772.10-1,234.01

Finding the Fourth Proportional to 3,181.43, 4,772.10 and 1,234.01

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Solution

The fourth proportional to 3,181.43, 4,772.10 and 1,234.01 is: 1,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.43 : 4,772.10 = 1,234.01 : x
  2. Step 2: Convert to fraction form
    3,181.43/4,772.10 = 1,234.01/x
  3. Step 3: Cross multiply
    3,181.43x = 4,772.10 × 1,234.01
  4. Step 4: Simplify right side
    3,181.43x = 5,888,819.12
  5. Step 5: Solve for x
    x = 5,888,819.12/3,181.43
  6. Step 6: Final answer
    x = 1,851.00

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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.