Home / 6,073.37-8,380.69-3,420.75

Finding the Fourth Proportional to 6,073.37, 8,380.69 and 3,420.75

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Solution

The fourth proportional to 6,073.37, 8,380.69 and 3,420.75 is: 4,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.37 : 8,380.69 = 3,420.75 : x
  2. Step 2: Convert to fraction form
    6,073.37/8,380.69 = 3,420.75/x
  3. Step 3: Cross multiply
    6,073.37x = 8,380.69 × 3,420.75
  4. Step 4: Simplify right side
    6,073.37x = 28,668,245.32
  5. Step 5: Solve for x
    x = 28,668,245.32/6,073.37
  6. Step 6: Final answer
    x = 4,720.32

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Half scale
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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.