Home / 5,166.05-7,750.58-1,879.25

Finding the Fourth Proportional to 5,166.05, 7,750.58 and 1,879.25

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Solution

The fourth proportional to 5,166.05, 7,750.58 and 1,879.25 is: 2,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.05 : 7,750.58 = 1,879.25 : x
  2. Step 2: Convert to fraction form
    5,166.05/7,750.58 = 1,879.25/x
  3. Step 3: Cross multiply
    5,166.05x = 7,750.58 × 1,879.25
  4. Step 4: Simplify right side
    5,166.05x = 14,565,229.32
  5. Step 5: Solve for x
    x = 14,565,229.32/5,166.05
  6. Step 6: Final answer
    x = 2,819.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.