Home / 5,467.60-8,181.96-3,147.76

Finding the Fourth Proportional to 5,467.60, 8,181.96 and 3,147.76

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Solution

The fourth proportional to 5,467.60, 8,181.96 and 3,147.76 is: 4,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.60 : 8,181.96 = 3,147.76 : x
  2. Step 2: Convert to fraction form
    5,467.60/8,181.96 = 3,147.76/x
  3. Step 3: Cross multiply
    5,467.60x = 8,181.96 × 3,147.76
  4. Step 4: Simplify right side
    5,467.60x = 25,754,846.41
  5. Step 5: Solve for x
    x = 25,754,846.41/5,467.60
  6. Step 6: Final answer
    x = 4,710.45

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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.