Home / 5,860.72-8,087.77-3,208.11

Finding the Fourth Proportional to 5,860.72, 8,087.77 and 3,208.11

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Solution

The fourth proportional to 5,860.72, 8,087.77 and 3,208.11 is: 4,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.72 : 8,087.77 = 3,208.11 : x
  2. Step 2: Convert to fraction form
    5,860.72/8,087.77 = 3,208.11/x
  3. Step 3: Cross multiply
    5,860.72x = 8,087.77 × 3,208.11
  4. Step 4: Simplify right side
    5,860.72x = 25,946,455.81
  5. Step 5: Solve for x
    x = 25,946,455.81/5,860.72
  6. Step 6: Final answer
    x = 4,427.18

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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.