Home / 3,167.15-4,369.91-1,840.06

Finding the Fourth Proportional to 3,167.15, 4,369.91 and 1,840.06

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Solution

The fourth proportional to 3,167.15, 4,369.91 and 1,840.06 is: 2,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.15 : 4,369.91 = 1,840.06 : x
  2. Step 2: Convert to fraction form
    3,167.15/4,369.91 = 1,840.06/x
  3. Step 3: Cross multiply
    3,167.15x = 4,369.91 × 1,840.06
  4. Step 4: Simplify right side
    3,167.15x = 8,040,896.59
  5. Step 5: Solve for x
    x = 8,040,896.59/3,167.15
  6. Step 6: Final answer
    x = 2,538.84

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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.