Home / 5,938.56-8,905.21-3,164.72

Finding the Fourth Proportional to 5,938.56, 8,905.21 and 3,164.72

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Solution

The fourth proportional to 5,938.56, 8,905.21 and 3,164.72 is: 4,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.56 : 8,905.21 = 3,164.72 : x
  2. Step 2: Convert to fraction form
    5,938.56/8,905.21 = 3,164.72/x
  3. Step 3: Cross multiply
    5,938.56x = 8,905.21 × 3,164.72
  4. Step 4: Simplify right side
    5,938.56x = 28,182,443.75
  5. Step 5: Solve for x
    x = 28,182,443.75/5,938.56
  6. Step 6: Final answer
    x = 4,745.67

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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.