Home / 5,208.96-7,758.32-5,183.84

Finding the Fourth Proportional to 5,208.96, 7,758.32 and 5,183.84

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Solution

The fourth proportional to 5,208.96, 7,758.32 and 5,183.84 is: 7,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.96 : 7,758.32 = 5,183.84 : x
  2. Step 2: Convert to fraction form
    5,208.96/7,758.32 = 5,183.84/x
  3. Step 3: Cross multiply
    5,208.96x = 7,758.32 × 5,183.84
  4. Step 4: Simplify right side
    5,208.96x = 40,217,889.55
  5. Step 5: Solve for x
    x = 40,217,889.55/5,208.96
  6. Step 6: Final answer
    x = 7,720.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.