Home / 2,680.53-4,020.48-1,119.59

Finding the Fourth Proportional to 2,680.53, 4,020.48 and 1,119.59

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Solution

The fourth proportional to 2,680.53, 4,020.48 and 1,119.59 is: 1,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.53 : 4,020.48 = 1,119.59 : x
  2. Step 2: Convert to fraction form
    2,680.53/4,020.48 = 1,119.59/x
  3. Step 3: Cross multiply
    2,680.53x = 4,020.48 × 1,119.59
  4. Step 4: Simplify right side
    2,680.53x = 4,501,269.10
  5. Step 5: Solve for x
    x = 4,501,269.10/2,680.53
  6. Step 6: Final answer
    x = 1,679.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.