Home / 5,853.77-8,078.07-3,201.12

Finding the Fourth Proportional to 5,853.77, 8,078.07 and 3,201.12

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Solution

The fourth proportional to 5,853.77, 8,078.07 and 3,201.12 is: 4,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.77 : 8,078.07 = 3,201.12 : x
  2. Step 2: Convert to fraction form
    5,853.77/8,078.07 = 3,201.12/x
  3. Step 3: Cross multiply
    5,853.77x = 8,078.07 × 3,201.12
  4. Step 4: Simplify right side
    5,853.77x = 25,858,871.44
  5. Step 5: Solve for x
    x = 25,858,871.44/5,853.77
  6. Step 6: Final answer
    x = 4,417.47

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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.