Home / 4,217.81-5,821.34-2,449.44

Finding the Fourth Proportional to 4,217.81, 5,821.34 and 2,449.44

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Solution

The fourth proportional to 4,217.81, 5,821.34 and 2,449.44 is: 3,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.81 : 5,821.34 = 2,449.44 : x
  2. Step 2: Convert to fraction form
    4,217.81/5,821.34 = 2,449.44/x
  3. Step 3: Cross multiply
    4,217.81x = 5,821.34 × 2,449.44
  4. Step 4: Simplify right side
    4,217.81x = 14,259,010.80
  5. Step 5: Solve for x
    x = 14,259,010.80/4,217.81
  6. Step 6: Final answer
    x = 3,380.67

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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.