Home / 6,515.76-9,771.57-2,132.04

Finding the Fourth Proportional to 6,515.76, 9,771.57 and 2,132.04

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Solution

The fourth proportional to 6,515.76, 9,771.57 and 2,132.04 is: 3,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.76 : 9,771.57 = 2,132.04 : x
  2. Step 2: Convert to fraction form
    6,515.76/9,771.57 = 2,132.04/x
  3. Step 3: Cross multiply
    6,515.76x = 9,771.57 × 2,132.04
  4. Step 4: Simplify right side
    6,515.76x = 20,833,378.10
  5. Step 5: Solve for x
    x = 20,833,378.10/6,515.76
  6. Step 6: Final answer
    x = 3,197.38

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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.