Home / 5,911.19-8,160.27-3,674.56

Finding the Fourth Proportional to 5,911.19, 8,160.27 and 3,674.56

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Solution

The fourth proportional to 5,911.19, 8,160.27 and 3,674.56 is: 5,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.19 : 8,160.27 = 3,674.56 : x
  2. Step 2: Convert to fraction form
    5,911.19/8,160.27 = 3,674.56/x
  3. Step 3: Cross multiply
    5,911.19x = 8,160.27 × 3,674.56
  4. Step 4: Simplify right side
    5,911.19x = 29,985,401.73
  5. Step 5: Solve for x
    x = 29,985,401.73/5,911.19
  6. Step 6: Final answer
    x = 5,072.65

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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.