Home / 5,181.42-7,766.58-2,057.10

Finding the Fourth Proportional to 5,181.42, 7,766.58 and 2,057.10

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Solution

The fourth proportional to 5,181.42, 7,766.58 and 2,057.10 is: 3,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.42 : 7,766.58 = 2,057.10 : x
  2. Step 2: Convert to fraction form
    5,181.42/7,766.58 = 2,057.10/x
  3. Step 3: Cross multiply
    5,181.42x = 7,766.58 × 2,057.10
  4. Step 4: Simplify right side
    5,181.42x = 15,976,631.72
  5. Step 5: Solve for x
    x = 15,976,631.72/5,181.42
  6. Step 6: Final answer
    x = 3,083.45

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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.