Home / 5,861.56-8,791.39-2,165.53

Finding the Fourth Proportional to 5,861.56, 8,791.39 and 2,165.53

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Solution

The fourth proportional to 5,861.56, 8,791.39 and 2,165.53 is: 3,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.56 : 8,791.39 = 2,165.53 : x
  2. Step 2: Convert to fraction form
    5,861.56/8,791.39 = 2,165.53/x
  3. Step 3: Cross multiply
    5,861.56x = 8,791.39 × 2,165.53
  4. Step 4: Simplify right side
    5,861.56x = 19,038,018.79
  5. Step 5: Solve for x
    x = 19,038,018.79/5,861.56
  6. Step 6: Final answer
    x = 3,247.94

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1.5x scale

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.