Home / 5,791.51-8,679.70-2,331.19

Finding the Fourth Proportional to 5,791.51, 8,679.70 and 2,331.19

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Solution

The fourth proportional to 5,791.51, 8,679.70 and 2,331.19 is: 3,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.51 : 8,679.70 = 2,331.19 : x
  2. Step 2: Convert to fraction form
    5,791.51/8,679.70 = 2,331.19/x
  3. Step 3: Cross multiply
    5,791.51x = 8,679.70 × 2,331.19
  4. Step 4: Simplify right side
    5,791.51x = 20,234,029.84
  5. Step 5: Solve for x
    x = 20,234,029.84/5,791.51
  6. Step 6: Final answer
    x = 3,493.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.