Home / 2,084.27-2,876.30-1,140.15

Finding the Fourth Proportional to 2,084.27, 2,876.30 and 1,140.15

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Solution

The fourth proportional to 2,084.27, 2,876.30 and 1,140.15 is: 1,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.27 : 2,876.30 = 1,140.15 : x
  2. Step 2: Convert to fraction form
    2,084.27/2,876.30 = 1,140.15/x
  3. Step 3: Cross multiply
    2,084.27x = 2,876.30 × 1,140.15
  4. Step 4: Simplify right side
    2,084.27x = 3,279,416.30
  5. Step 5: Solve for x
    x = 3,279,416.30/2,084.27
  6. Step 6: Final answer
    x = 1,573.41

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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.