Home / 5,388.24-7,436.40-3,031.14

Finding the Fourth Proportional to 5,388.24, 7,436.40 and 3,031.14

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Solution

The fourth proportional to 5,388.24, 7,436.40 and 3,031.14 is: 4,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.24 : 7,436.40 = 3,031.14 : x
  2. Step 2: Convert to fraction form
    5,388.24/7,436.40 = 3,031.14/x
  3. Step 3: Cross multiply
    5,388.24x = 7,436.40 × 3,031.14
  4. Step 4: Simplify right side
    5,388.24x = 22,540,769.50
  5. Step 5: Solve for x
    x = 22,540,769.50/5,388.24
  6. Step 6: Final answer
    x = 4,183.33

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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.