Home / 5,571.46-7,688.58-3,087.46

Finding the Fourth Proportional to 5,571.46, 7,688.58 and 3,087.46

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Solution

The fourth proportional to 5,571.46, 7,688.58 and 3,087.46 is: 4,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.46 : 7,688.58 = 3,087.46 : x
  2. Step 2: Convert to fraction form
    5,571.46/7,688.58 = 3,087.46/x
  3. Step 3: Cross multiply
    5,571.46x = 7,688.58 × 3,087.46
  4. Step 4: Simplify right side
    5,571.46x = 23,738,183.21
  5. Step 5: Solve for x
    x = 23,738,183.21/5,571.46
  6. Step 6: Final answer
    x = 4,260.68

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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.