Home / 5,647.15-8,464.59-3,181.33

Finding the Fourth Proportional to 5,647.15, 8,464.59 and 3,181.33

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Solution

The fourth proportional to 5,647.15, 8,464.59 and 3,181.33 is: 4,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.15 : 8,464.59 = 3,181.33 : x
  2. Step 2: Convert to fraction form
    5,647.15/8,464.59 = 3,181.33/x
  3. Step 3: Cross multiply
    5,647.15x = 8,464.59 × 3,181.33
  4. Step 4: Simplify right side
    5,647.15x = 26,928,654.10
  5. Step 5: Solve for x
    x = 26,928,654.10/5,647.15
  6. Step 6: Final answer
    x = 4,768.54

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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.