Home / 2,111.20-2,893.64-2,096.80

Finding the Fourth Proportional to 2,111.20, 2,893.64 and 2,096.80

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Solution

The fourth proportional to 2,111.20, 2,893.64 and 2,096.80 is: 2,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111.20 : 2,893.64 = 2,096.80 : x
  2. Step 2: Convert to fraction form
    2,111.20/2,893.64 = 2,096.80/x
  3. Step 3: Cross multiply
    2,111.20x = 2,893.64 × 2,096.80
  4. Step 4: Simplify right side
    2,111.20x = 6,067,384.35
  5. Step 5: Solve for x
    x = 6,067,384.35/2,111.20
  6. Step 6: Final answer
    x = 2,873.90

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.