Home / 3,916.64-5,878.27-2,066.81

Finding the Fourth Proportional to 3,916.64, 5,878.27 and 2,066.81

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Solution

The fourth proportional to 3,916.64, 5,878.27 and 2,066.81 is: 3,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.64 : 5,878.27 = 2,066.81 : x
  2. Step 2: Convert to fraction form
    3,916.64/5,878.27 = 2,066.81/x
  3. Step 3: Cross multiply
    3,916.64x = 5,878.27 × 2,066.81
  4. Step 4: Simplify right side
    3,916.64x = 12,149,240.41
  5. Step 5: Solve for x
    x = 12,149,240.41/3,916.64
  6. Step 6: Final answer
    x = 3,101.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.