Home / 5,245.51-7,229.91-3,474.04

Finding the Fourth Proportional to 5,245.51, 7,229.91 and 3,474.04

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Solution

The fourth proportional to 5,245.51, 7,229.91 and 3,474.04 is: 4,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.51 : 7,229.91 = 3,474.04 : x
  2. Step 2: Convert to fraction form
    5,245.51/7,229.91 = 3,474.04/x
  3. Step 3: Cross multiply
    5,245.51x = 7,229.91 × 3,474.04
  4. Step 4: Simplify right side
    5,245.51x = 25,116,996.54
  5. Step 5: Solve for x
    x = 25,116,996.54/5,245.51
  6. Step 6: Final answer
    x = 4,788.28

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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.