Home / 2,071.03-2,855.77-1,371.19

Finding the Fourth Proportional to 2,071.03, 2,855.77 and 1,371.19

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Solution

The fourth proportional to 2,071.03, 2,855.77 and 1,371.19 is: 1,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.03 : 2,855.77 = 1,371.19 : x
  2. Step 2: Convert to fraction form
    2,071.03/2,855.77 = 1,371.19/x
  3. Step 3: Cross multiply
    2,071.03x = 2,855.77 × 1,371.19
  4. Step 4: Simplify right side
    2,071.03x = 3,915,803.27
  5. Step 5: Solve for x
    x = 3,915,803.27/2,071.03
  6. Step 6: Final answer
    x = 1,890.75

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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.