Home / 6,079.62-8,389.89-3,285.12

Finding the Fourth Proportional to 6,079.62, 8,389.89 and 3,285.12

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Solution

The fourth proportional to 6,079.62, 8,389.89 and 3,285.12 is: 4,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.62 : 8,389.89 = 3,285.12 : x
  2. Step 2: Convert to fraction form
    6,079.62/8,389.89 = 3,285.12/x
  3. Step 3: Cross multiply
    6,079.62x = 8,389.89 × 3,285.12
  4. Step 4: Simplify right side
    6,079.62x = 27,561,795.44
  5. Step 5: Solve for x
    x = 27,561,795.44/6,079.62
  6. Step 6: Final answer
    x = 4,533.47

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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.