Home / 6,522.28-9,784.18-2,078.38

Finding the Fourth Proportional to 6,522.28, 9,784.18 and 2,078.38

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Solution

The fourth proportional to 6,522.28, 9,784.18 and 2,078.38 is: 3,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.28 : 9,784.18 = 2,078.38 : x
  2. Step 2: Convert to fraction form
    6,522.28/9,784.18 = 2,078.38/x
  3. Step 3: Cross multiply
    6,522.28x = 9,784.18 × 2,078.38
  4. Step 4: Simplify right side
    6,522.28x = 20,335,244.03
  5. Step 5: Solve for x
    x = 20,335,244.03/6,522.28
  6. Step 6: Final answer
    x = 3,117.81

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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.