Home / 5,181.34-7,150.26-2,823.46

Finding the Fourth Proportional to 5,181.34, 7,150.26 and 2,823.46

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Solution

The fourth proportional to 5,181.34, 7,150.26 and 2,823.46 is: 3,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.34 : 7,150.26 = 2,823.46 : x
  2. Step 2: Convert to fraction form
    5,181.34/7,150.26 = 2,823.46/x
  3. Step 3: Cross multiply
    5,181.34x = 7,150.26 × 2,823.46
  4. Step 4: Simplify right side
    5,181.34x = 20,188,473.10
  5. Step 5: Solve for x
    x = 20,188,473.10/5,181.34
  6. Step 6: Final answer
    x = 3,896.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.