Home / 5,832.10-8,749.11-2,139.51

Finding the Fourth Proportional to 5,832.10, 8,749.11 and 2,139.51

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Solution

The fourth proportional to 5,832.10, 8,749.11 and 2,139.51 is: 3,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,832.10 : 8,749.11 = 2,139.51 : x
  2. Step 2: Convert to fraction form
    5,832.10/8,749.11 = 2,139.51/x
  3. Step 3: Cross multiply
    5,832.10x = 8,749.11 × 2,139.51
  4. Step 4: Simplify right side
    5,832.10x = 18,718,849.17
  5. Step 5: Solve for x
    x = 18,718,849.17/5,832.10
  6. Step 6: Final answer
    x = 3,209.62

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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.