Home / 5,269.80-7,272.54-3,031.68

Finding the Fourth Proportional to 5,269.80, 7,272.54 and 3,031.68

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Solution

The fourth proportional to 5,269.80, 7,272.54 and 3,031.68 is: 4,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.80 : 7,272.54 = 3,031.68 : x
  2. Step 2: Convert to fraction form
    5,269.80/7,272.54 = 3,031.68/x
  3. Step 3: Cross multiply
    5,269.80x = 7,272.54 × 3,031.68
  4. Step 4: Simplify right side
    5,269.80x = 22,048,014.07
  5. Step 5: Solve for x
    x = 22,048,014.07/5,269.80
  6. Step 6: Final answer
    x = 4,183.84

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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.