Home / 2,117.62-3,177.75-1,022.11

Finding the Fourth Proportional to 2,117.62, 3,177.75 and 1,022.11

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Solution

The fourth proportional to 2,117.62, 3,177.75 and 1,022.11 is: 1,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.62 : 3,177.75 = 1,022.11 : x
  2. Step 2: Convert to fraction form
    2,117.62/3,177.75 = 1,022.11/x
  3. Step 3: Cross multiply
    2,117.62x = 3,177.75 × 1,022.11
  4. Step 4: Simplify right side
    2,117.62x = 3,248,010.05
  5. Step 5: Solve for x
    x = 3,248,010.05/2,117.62
  6. Step 6: Final answer
    x = 1,533.80

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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.