Home / 5,181.05-7,770.21-2,060.93

Finding the Fourth Proportional to 5,181.05, 7,770.21 and 2,060.93

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Solution

The fourth proportional to 5,181.05, 7,770.21 and 2,060.93 is: 3,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.05 : 7,770.21 = 2,060.93 : x
  2. Step 2: Convert to fraction form
    5,181.05/7,770.21 = 2,060.93/x
  3. Step 3: Cross multiply
    5,181.05x = 7,770.21 × 2,060.93
  4. Step 4: Simplify right side
    5,181.05x = 16,013,858.90
  5. Step 5: Solve for x
    x = 16,013,858.90/5,181.05
  6. Step 6: Final answer
    x = 3,090.85

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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.