Home / 5,918.58-8,167.91-3,401.51

Finding the Fourth Proportional to 5,918.58, 8,167.91 and 3,401.51

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Solution

The fourth proportional to 5,918.58, 8,167.91 and 3,401.51 is: 4,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.58 : 8,167.91 = 3,401.51 : x
  2. Step 2: Convert to fraction form
    5,918.58/8,167.91 = 3,401.51/x
  3. Step 3: Cross multiply
    5,918.58x = 8,167.91 × 3,401.51
  4. Step 4: Simplify right side
    5,918.58x = 27,783,169.70
  5. Step 5: Solve for x
    x = 27,783,169.70/5,918.58
  6. Step 6: Final answer
    x = 4,694.23

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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.