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Finding the Fourth Proportional to 5,890.78, 8,127.02 and 4,361.35

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Solution

The fourth proportional to 5,890.78, 8,127.02 and 4,361.35 is: 6,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.78 : 8,127.02 = 4,361.35 : x
  2. Step 2: Convert to fraction form
    5,890.78/8,127.02 = 4,361.35/x
  3. Step 3: Cross multiply
    5,890.78x = 8,127.02 × 4,361.35
  4. Step 4: Simplify right side
    5,890.78x = 35,444,792.68
  5. Step 5: Solve for x
    x = 35,444,792.68/5,890.78
  6. Step 6: Final answer
    x = 6,016.99

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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.