Home / 4,580.82-6,871.23-2,631.78

Finding the Fourth Proportional to 4,580.82, 6,871.23 and 2,631.78

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Solution

The fourth proportional to 4,580.82, 6,871.23 and 2,631.78 is: 3,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.82 : 6,871.23 = 2,631.78 : x
  2. Step 2: Convert to fraction form
    4,580.82/6,871.23 = 2,631.78/x
  3. Step 3: Cross multiply
    4,580.82x = 6,871.23 × 2,631.78
  4. Step 4: Simplify right side
    4,580.82x = 18,083,565.69
  5. Step 5: Solve for x
    x = 18,083,565.69/4,580.82
  6. Step 6: Final answer
    x = 3,947.67

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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.