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Finding the Fourth Proportional to 5,083.78, 7,014.01 and 2,845.30

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Solution

The fourth proportional to 5,083.78, 7,014.01 and 2,845.30 is: 3,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.78 : 7,014.01 = 2,845.30 : x
  2. Step 2: Convert to fraction form
    5,083.78/7,014.01 = 2,845.30/x
  3. Step 3: Cross multiply
    5,083.78x = 7,014.01 × 2,845.30
  4. Step 4: Simplify right side
    5,083.78x = 19,956,938.00
  5. Step 5: Solve for x
    x = 19,956,938.00/5,083.78
  6. Step 6: Final answer
    x = 3,925.61

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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.