Home / 5,921.86-8,172.23-3,269.27

Finding the Fourth Proportional to 5,921.86, 8,172.23 and 3,269.27

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Solution

The fourth proportional to 5,921.86, 8,172.23 and 3,269.27 is: 4,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.86 : 8,172.23 = 3,269.27 : x
  2. Step 2: Convert to fraction form
    5,921.86/8,172.23 = 3,269.27/x
  3. Step 3: Cross multiply
    5,921.86x = 8,172.23 × 3,269.27
  4. Step 4: Simplify right side
    5,921.86x = 26,717,226.37
  5. Step 5: Solve for x
    x = 26,717,226.37/5,921.86
  6. Step 6: Final answer
    x = 4,511.63

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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.