Home / 3,881.91-5,350.81-2,622.56

Finding the Fourth Proportional to 3,881.91, 5,350.81 and 2,622.56

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Solution

The fourth proportional to 3,881.91, 5,350.81 and 2,622.56 is: 3,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.91 : 5,350.81 = 2,622.56 : x
  2. Step 2: Convert to fraction form
    3,881.91/5,350.81 = 2,622.56/x
  3. Step 3: Cross multiply
    3,881.91x = 5,350.81 × 2,622.56
  4. Step 4: Simplify right side
    3,881.91x = 14,032,807.16
  5. Step 5: Solve for x
    x = 14,032,807.16/3,881.91
  6. Step 6: Final answer
    x = 3,614.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.