Home / 3,844.90-5,766.12-1,896.85

Finding the Fourth Proportional to 3,844.90, 5,766.12 and 1,896.85

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Solution

The fourth proportional to 3,844.90, 5,766.12 and 1,896.85 is: 2,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.90 : 5,766.12 = 1,896.85 : x
  2. Step 2: Convert to fraction form
    3,844.90/5,766.12 = 1,896.85/x
  3. Step 3: Cross multiply
    3,844.90x = 5,766.12 × 1,896.85
  4. Step 4: Simplify right side
    3,844.90x = 10,937,464.72
  5. Step 5: Solve for x
    x = 10,937,464.72/3,844.90
  6. Step 6: Final answer
    x = 2,844.67

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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.