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Finding the Fourth Proportional to 5,738.36, 8,609.60 and 2,818.32

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Solution

The fourth proportional to 5,738.36, 8,609.60 and 2,818.32 is: 4,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.36 : 8,609.60 = 2,818.32 : x
  2. Step 2: Convert to fraction form
    5,738.36/8,609.60 = 2,818.32/x
  3. Step 3: Cross multiply
    5,738.36x = 8,609.60 × 2,818.32
  4. Step 4: Simplify right side
    5,738.36x = 24,264,607.87
  5. Step 5: Solve for x
    x = 24,264,607.87/5,738.36
  6. Step 6: Final answer
    x = 4,228.49

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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.