Home / 1,982.08-2,735.46-1,196.12

Finding the Fourth Proportional to 1,982.08, 2,735.46 and 1,196.12

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Solution

The fourth proportional to 1,982.08, 2,735.46 and 1,196.12 is: 1,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.08 : 2,735.46 = 1,196.12 : x
  2. Step 2: Convert to fraction form
    1,982.08/2,735.46 = 1,196.12/x
  3. Step 3: Cross multiply
    1,982.08x = 2,735.46 × 1,196.12
  4. Step 4: Simplify right side
    1,982.08x = 3,271,938.42
  5. Step 5: Solve for x
    x = 3,271,938.42/1,982.08
  6. Step 6: Final answer
    x = 1,650.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.