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Finding the Fourth Proportional to 5,007.43, 6,902.29 and 3,943.51

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Solution

The fourth proportional to 5,007.43, 6,902.29 and 3,943.51 is: 5,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.43 : 6,902.29 = 3,943.51 : x
  2. Step 2: Convert to fraction form
    5,007.43/6,902.29 = 3,943.51/x
  3. Step 3: Cross multiply
    5,007.43x = 6,902.29 × 3,943.51
  4. Step 4: Simplify right side
    5,007.43x = 27,219,249.64
  5. Step 5: Solve for x
    x = 27,219,249.64/5,007.43
  6. Step 6: Final answer
    x = 5,435.77

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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.