Home / 5,819.34-8,030.75-3,166.80

Finding the Fourth Proportional to 5,819.34, 8,030.75 and 3,166.80

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Solution

The fourth proportional to 5,819.34, 8,030.75 and 3,166.80 is: 4,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.34 : 8,030.75 = 3,166.80 : x
  2. Step 2: Convert to fraction form
    5,819.34/8,030.75 = 3,166.80/x
  3. Step 3: Cross multiply
    5,819.34x = 8,030.75 × 3,166.80
  4. Step 4: Simplify right side
    5,819.34x = 25,431,733.15
  5. Step 5: Solve for x
    x = 25,431,733.15/5,819.34
  6. Step 6: Final answer
    x = 4,370.21

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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.