Home / 2,980.13-4,111.16-2,096.42

Finding the Fourth Proportional to 2,980.13, 4,111.16 and 2,096.42

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Solution

The fourth proportional to 2,980.13, 4,111.16 and 2,096.42 is: 2,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.13 : 4,111.16 = 2,096.42 : x
  2. Step 2: Convert to fraction form
    2,980.13/4,111.16 = 2,096.42/x
  3. Step 3: Cross multiply
    2,980.13x = 4,111.16 × 2,096.42
  4. Step 4: Simplify right side
    2,980.13x = 8,618,687.01
  5. Step 5: Solve for x
    x = 8,618,687.01/2,980.13
  6. Step 6: Final answer
    x = 2,892.06

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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.