Home / 5,040.36-7,560.94-2,119

Finding the Fourth Proportional to 5,040.36, 7,560.94 and 2,119

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Solution

The fourth proportional to 5,040.36, 7,560.94 and 2,119 is: 3,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.36 : 7,560.94 = 2,119 : x
  2. Step 2: Convert to fraction form
    5,040.36/7,560.94 = 2,119/x
  3. Step 3: Cross multiply
    5,040.36x = 7,560.94 × 2,119
  4. Step 4: Simplify right side
    5,040.36x = 16,021,631.86
  5. Step 5: Solve for x
    x = 16,021,631.86/5,040.36
  6. Step 6: Final answer
    x = 3,178.67

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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.