Home / 5,244.21-7,236.09-3,148.38

Finding the Fourth Proportional to 5,244.21, 7,236.09 and 3,148.38

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Solution

The fourth proportional to 5,244.21, 7,236.09 and 3,148.38 is: 4,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.21 : 7,236.09 = 3,148.38 : x
  2. Step 2: Convert to fraction form
    5,244.21/7,236.09 = 3,148.38/x
  3. Step 3: Cross multiply
    5,244.21x = 7,236.09 × 3,148.38
  4. Step 4: Simplify right side
    5,244.21x = 22,781,961.03
  5. Step 5: Solve for x
    x = 22,781,961.03/5,244.21
  6. Step 6: Final answer
    x = 4,344.21

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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.