Home / 5,920.05-8,168.67-3,401.58

Finding the Fourth Proportional to 5,920.05, 8,168.67 and 3,401.58

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Solution

The fourth proportional to 5,920.05, 8,168.67 and 3,401.58 is: 4,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.05 : 8,168.67 = 3,401.58 : x
  2. Step 2: Convert to fraction form
    5,920.05/8,168.67 = 3,401.58/x
  3. Step 3: Cross multiply
    5,920.05x = 8,168.67 × 3,401.58
  4. Step 4: Simplify right side
    5,920.05x = 27,786,384.50
  5. Step 5: Solve for x
    x = 27,786,384.50/5,920.05
  6. Step 6: Final answer
    x = 4,693.61

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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.