Home / 3,849.96-5,775.45-1,252.02

Finding the Fourth Proportional to 3,849.96, 5,775.45 and 1,252.02

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Solution

The fourth proportional to 3,849.96, 5,775.45 and 1,252.02 is: 1,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.96 : 5,775.45 = 1,252.02 : x
  2. Step 2: Convert to fraction form
    3,849.96/5,775.45 = 1,252.02/x
  3. Step 3: Cross multiply
    3,849.96x = 5,775.45 × 1,252.02
  4. Step 4: Simplify right side
    3,849.96x = 7,230,978.91
  5. Step 5: Solve for x
    x = 7,230,978.91/3,849.96
  6. Step 6: Final answer
    x = 1,878.20

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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.