Home / 5,539.92-7,646.16-3,183.60

Finding the Fourth Proportional to 5,539.92, 7,646.16 and 3,183.60

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Solution

The fourth proportional to 5,539.92, 7,646.16 and 3,183.60 is: 4,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.92 : 7,646.16 = 3,183.60 : x
  2. Step 2: Convert to fraction form
    5,539.92/7,646.16 = 3,183.60/x
  3. Step 3: Cross multiply
    5,539.92x = 7,646.16 × 3,183.60
  4. Step 4: Simplify right side
    5,539.92x = 24,342,314.98
  5. Step 5: Solve for x
    x = 24,342,314.98/5,539.92
  6. Step 6: Final answer
    x = 4,393.98

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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.