Home / 5,651.96-8,478.82-1,755.44

Finding the Fourth Proportional to 5,651.96, 8,478.82 and 1,755.44

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Solution

The fourth proportional to 5,651.96, 8,478.82 and 1,755.44 is: 2,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.96 : 8,478.82 = 1,755.44 : x
  2. Step 2: Convert to fraction form
    5,651.96/8,478.82 = 1,755.44/x
  3. Step 3: Cross multiply
    5,651.96x = 8,478.82 × 1,755.44
  4. Step 4: Simplify right side
    5,651.96x = 14,884,059.78
  5. Step 5: Solve for x
    x = 14,884,059.78/5,651.96
  6. Step 6: Final answer
    x = 2,633.43

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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.