Home / 3,658.44-5,048.18-2,086.12

Finding the Fourth Proportional to 3,658.44, 5,048.18 and 2,086.12

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Solution

The fourth proportional to 3,658.44, 5,048.18 and 2,086.12 is: 2,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.44 : 5,048.18 = 2,086.12 : x
  2. Step 2: Convert to fraction form
    3,658.44/5,048.18 = 2,086.12/x
  3. Step 3: Cross multiply
    3,658.44x = 5,048.18 × 2,086.12
  4. Step 4: Simplify right side
    3,658.44x = 10,531,109.26
  5. Step 5: Solve for x
    x = 10,531,109.26/3,658.44
  6. Step 6: Final answer
    x = 2,878.58

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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.