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Finding the Fourth Proportional to 5,361.57, 7,401.81 and 4,038.43

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Solution

The fourth proportional to 5,361.57, 7,401.81 and 4,038.43 is: 5,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.57 : 7,401.81 = 4,038.43 : x
  2. Step 2: Convert to fraction form
    5,361.57/7,401.81 = 4,038.43/x
  3. Step 3: Cross multiply
    5,361.57x = 7,401.81 × 4,038.43
  4. Step 4: Simplify right side
    5,361.57x = 29,891,691.56
  5. Step 5: Solve for x
    x = 29,891,691.56/5,361.57
  6. Step 6: Final answer
    x = 5,575.18

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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.