Home / 5,243.58-7,236.24-2,885.85

Finding the Fourth Proportional to 5,243.58, 7,236.24 and 2,885.85

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Solution

The fourth proportional to 5,243.58, 7,236.24 and 2,885.85 is: 3,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.58 : 7,236.24 = 2,885.85 : x
  2. Step 2: Convert to fraction form
    5,243.58/7,236.24 = 2,885.85/x
  3. Step 3: Cross multiply
    5,243.58x = 7,236.24 × 2,885.85
  4. Step 4: Simplify right side
    5,243.58x = 20,882,703.20
  5. Step 5: Solve for x
    x = 20,882,703.20/5,243.58
  6. Step 6: Final answer
    x = 3,982.53

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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.