Home / 7,078.62-9,768.29-4,094.99

Finding the Fourth Proportional to 7,078.62, 9,768.29 and 4,094.99

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Solution

The fourth proportional to 7,078.62, 9,768.29 and 4,094.99 is: 5,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.62 : 9,768.29 = 4,094.99 : x
  2. Step 2: Convert to fraction form
    7,078.62/9,768.29 = 4,094.99/x
  3. Step 3: Cross multiply
    7,078.62x = 9,768.29 × 4,094.99
  4. Step 4: Simplify right side
    7,078.62x = 40,001,049.87
  5. Step 5: Solve for x
    x = 40,001,049.87/7,078.62
  6. Step 6: Final answer
    x = 5,650.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.