Home / 5,917.30-8,165.34-3,400.42

Finding the Fourth Proportional to 5,917.30, 8,165.34 and 3,400.42

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Solution

The fourth proportional to 5,917.30, 8,165.34 and 3,400.42 is: 4,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.30 : 8,165.34 = 3,400.42 : x
  2. Step 2: Convert to fraction form
    5,917.30/8,165.34 = 3,400.42/x
  3. Step 3: Cross multiply
    5,917.30x = 8,165.34 × 3,400.42
  4. Step 4: Simplify right side
    5,917.30x = 27,765,585.44
  5. Step 5: Solve for x
    x = 27,765,585.44/5,917.30
  6. Step 6: Final answer
    x = 4,692.27

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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.