Home / 5,806.49-8,709.74-2,108.03

Finding the Fourth Proportional to 5,806.49, 8,709.74 and 2,108.03

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Solution

The fourth proportional to 5,806.49, 8,709.74 and 2,108.03 is: 3,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.49 : 8,709.74 = 2,108.03 : x
  2. Step 2: Convert to fraction form
    5,806.49/8,709.74 = 2,108.03/x
  3. Step 3: Cross multiply
    5,806.49x = 8,709.74 × 2,108.03
  4. Step 4: Simplify right side
    5,806.49x = 18,360,382.67
  5. Step 5: Solve for x
    x = 18,360,382.67/5,806.49
  6. Step 6: Final answer
    x = 3,162.05

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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.