Home / 4,823.56-7,236.91-2,190.76

Finding the Fourth Proportional to 4,823.56, 7,236.91 and 2,190.76

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Solution

The fourth proportional to 4,823.56, 7,236.91 and 2,190.76 is: 3,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.56 : 7,236.91 = 2,190.76 : x
  2. Step 2: Convert to fraction form
    4,823.56/7,236.91 = 2,190.76/x
  3. Step 3: Cross multiply
    4,823.56x = 7,236.91 × 2,190.76
  4. Step 4: Simplify right side
    4,823.56x = 15,854,317.60
  5. Step 5: Solve for x
    x = 15,854,317.60/4,823.56
  6. Step 6: Final answer
    x = 3,286.85

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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.