Home / 5,856.20-8,081.55-3,203.60

Finding the Fourth Proportional to 5,856.20, 8,081.55 and 3,203.60

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Solution

The fourth proportional to 5,856.20, 8,081.55 and 3,203.60 is: 4,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.20 : 8,081.55 = 3,203.60 : x
  2. Step 2: Convert to fraction form
    5,856.20/8,081.55 = 3,203.60/x
  3. Step 3: Cross multiply
    5,856.20x = 8,081.55 × 3,203.60
  4. Step 4: Simplify right side
    5,856.20x = 25,890,075.88
  5. Step 5: Solve for x
    x = 25,890,075.88/5,856.20
  6. Step 6: Final answer
    x = 4,420.97

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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.