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Finding the Fourth Proportional to 3,611.42, 4,975.83 and 2,430.44

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Solution

The fourth proportional to 3,611.42, 4,975.83 and 2,430.44 is: 3,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.42 : 4,975.83 = 2,430.44 : x
  2. Step 2: Convert to fraction form
    3,611.42/4,975.83 = 2,430.44/x
  3. Step 3: Cross multiply
    3,611.42x = 4,975.83 × 2,430.44
  4. Step 4: Simplify right side
    3,611.42x = 12,093,456.27
  5. Step 5: Solve for x
    x = 12,093,456.27/3,611.42
  6. Step 6: Final answer
    x = 3,348.67

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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.