Home / 5,860.77-8,087.84-3,171.98

Finding the Fourth Proportional to 5,860.77, 8,087.84 and 3,171.98

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Solution

The fourth proportional to 5,860.77, 8,087.84 and 3,171.98 is: 4,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.77 : 8,087.84 = 3,171.98 : x
  2. Step 2: Convert to fraction form
    5,860.77/8,087.84 = 3,171.98/x
  3. Step 3: Cross multiply
    5,860.77x = 8,087.84 × 3,171.98
  4. Step 4: Simplify right side
    5,860.77x = 25,654,466.72
  5. Step 5: Solve for x
    x = 25,654,466.72/5,860.77
  6. Step 6: Final answer
    x = 4,377.32

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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.