Home / 2,114.28-2,917.62-1,182.72

Finding the Fourth Proportional to 2,114.28, 2,917.62 and 1,182.72

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Solution

The fourth proportional to 2,114.28, 2,917.62 and 1,182.72 is: 1,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.28 : 2,917.62 = 1,182.72 : x
  2. Step 2: Convert to fraction form
    2,114.28/2,917.62 = 1,182.72/x
  3. Step 3: Cross multiply
    2,114.28x = 2,917.62 × 1,182.72
  4. Step 4: Simplify right side
    2,114.28x = 3,450,727.53
  5. Step 5: Solve for x
    x = 3,450,727.53/2,114.28
  6. Step 6: Final answer
    x = 1,632.11

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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.