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Finding the Fourth Proportional to 4,515.89, 6,773.87 and 1,395.89

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Solution

The fourth proportional to 4,515.89, 6,773.87 and 1,395.89 is: 2,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.89 : 6,773.87 = 1,395.89 : x
  2. Step 2: Convert to fraction form
    4,515.89/6,773.87 = 1,395.89/x
  3. Step 3: Cross multiply
    4,515.89x = 6,773.87 × 1,395.89
  4. Step 4: Simplify right side
    4,515.89x = 9,455,572.42
  5. Step 5: Solve for x
    x = 9,455,572.42/4,515.89
  6. Step 6: Final answer
    x = 2,093.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.