Home / 5,243.55-7,236.44-2,885.84

Finding the Fourth Proportional to 5,243.55, 7,236.44 and 2,885.84

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Solution

The fourth proportional to 5,243.55, 7,236.44 and 2,885.84 is: 3,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.55 : 7,236.44 = 2,885.84 : x
  2. Step 2: Convert to fraction form
    5,243.55/7,236.44 = 2,885.84/x
  3. Step 3: Cross multiply
    5,243.55x = 7,236.44 × 2,885.84
  4. Step 4: Simplify right side
    5,243.55x = 20,883,195.36
  5. Step 5: Solve for x
    x = 20,883,195.36/5,243.55
  6. Step 6: Final answer
    x = 3,982.65

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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.