Home / 5,819.74-8,031.41-3,166.99

Finding the Fourth Proportional to 5,819.74, 8,031.41 and 3,166.99

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Solution

The fourth proportional to 5,819.74, 8,031.41 and 3,166.99 is: 4,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.74 : 8,031.41 = 3,166.99 : x
  2. Step 2: Convert to fraction form
    5,819.74/8,031.41 = 3,166.99/x
  3. Step 3: Cross multiply
    5,819.74x = 8,031.41 × 3,166.99
  4. Step 4: Simplify right side
    5,819.74x = 25,435,395.16
  5. Step 5: Solve for x
    x = 25,435,395.16/5,819.74
  6. Step 6: Final answer
    x = 4,370.54

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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.