Home / 2,022.15-2,790.45-1,137.92

Finding the Fourth Proportional to 2,022.15, 2,790.45 and 1,137.92

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Solution

The fourth proportional to 2,022.15, 2,790.45 and 1,137.92 is: 1,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.15 : 2,790.45 = 1,137.92 : x
  2. Step 2: Convert to fraction form
    2,022.15/2,790.45 = 1,137.92/x
  3. Step 3: Cross multiply
    2,022.15x = 2,790.45 × 1,137.92
  4. Step 4: Simplify right side
    2,022.15x = 3,175,294.91
  5. Step 5: Solve for x
    x = 3,175,294.91/2,022.15
  6. Step 6: Final answer
    x = 1,570.26

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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.