Home / 5,081.14-7,622.21-1,571.01

Finding the Fourth Proportional to 5,081.14, 7,622.21 and 1,571.01

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Solution

The fourth proportional to 5,081.14, 7,622.21 and 1,571.01 is: 2,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.14 : 7,622.21 = 1,571.01 : x
  2. Step 2: Convert to fraction form
    5,081.14/7,622.21 = 1,571.01/x
  3. Step 3: Cross multiply
    5,081.14x = 7,622.21 × 1,571.01
  4. Step 4: Simplify right side
    5,081.14x = 11,974,568.13
  5. Step 5: Solve for x
    x = 11,974,568.13/5,081.14
  6. Step 6: Final answer
    x = 2,356.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.