Home / 2,086.21-2,878.93-1,154.71

Finding the Fourth Proportional to 2,086.21, 2,878.93 and 1,154.71

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Solution

The fourth proportional to 2,086.21, 2,878.93 and 1,154.71 is: 1,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.21 : 2,878.93 = 1,154.71 : x
  2. Step 2: Convert to fraction form
    2,086.21/2,878.93 = 1,154.71/x
  3. Step 3: Cross multiply
    2,086.21x = 2,878.93 × 1,154.71
  4. Step 4: Simplify right side
    2,086.21x = 3,324,329.26
  5. Step 5: Solve for x
    x = 3,324,329.26/2,086.21
  6. Step 6: Final answer
    x = 1,593.48

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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.