Home / 5,816.82-8,034.42-4,220.91

Finding the Fourth Proportional to 5,816.82, 8,034.42 and 4,220.91

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Solution

The fourth proportional to 5,816.82, 8,034.42 and 4,220.91 is: 5,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.82 : 8,034.42 = 4,220.91 : x
  2. Step 2: Convert to fraction form
    5,816.82/8,034.42 = 4,220.91/x
  3. Step 3: Cross multiply
    5,816.82x = 8,034.42 × 4,220.91
  4. Step 4: Simplify right side
    5,816.82x = 33,912,563.72
  5. Step 5: Solve for x
    x = 33,912,563.72/5,816.82
  6. Step 6: Final answer
    x = 5,830.09

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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.