Home / 5,442.08-8,161.88-2,665.96

Finding the Fourth Proportional to 5,442.08, 8,161.88 and 2,665.96

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Solution

The fourth proportional to 5,442.08, 8,161.88 and 2,665.96 is: 3,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.08 : 8,161.88 = 2,665.96 : x
  2. Step 2: Convert to fraction form
    5,442.08/8,161.88 = 2,665.96/x
  3. Step 3: Cross multiply
    5,442.08x = 8,161.88 × 2,665.96
  4. Step 4: Simplify right side
    5,442.08x = 21,759,245.60
  5. Step 5: Solve for x
    x = 21,759,245.60/5,442.08
  6. Step 6: Final answer
    x = 3,998.33

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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.