Home / 3,658.08-5,048.26-2,086.06

Finding the Fourth Proportional to 3,658.08, 5,048.26 and 2,086.06

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Solution

The fourth proportional to 3,658.08, 5,048.26 and 2,086.06 is: 2,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.08 : 5,048.26 = 2,086.06 : x
  2. Step 2: Convert to fraction form
    3,658.08/5,048.26 = 2,086.06/x
  3. Step 3: Cross multiply
    3,658.08x = 5,048.26 × 2,086.06
  4. Step 4: Simplify right side
    3,658.08x = 10,530,973.26
  5. Step 5: Solve for x
    x = 10,530,973.26/3,658.08
  6. Step 6: Final answer
    x = 2,878.83

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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.