Home / 5,193.75-7,790.36-1,906.58

Finding the Fourth Proportional to 5,193.75, 7,790.36 and 1,906.58

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Solution

The fourth proportional to 5,193.75, 7,790.36 and 1,906.58 is: 2,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.75 : 7,790.36 = 1,906.58 : x
  2. Step 2: Convert to fraction form
    5,193.75/7,790.36 = 1,906.58/x
  3. Step 3: Cross multiply
    5,193.75x = 7,790.36 × 1,906.58
  4. Step 4: Simplify right side
    5,193.75x = 14,852,896.08
  5. Step 5: Solve for x
    x = 14,852,896.08/5,193.75
  6. Step 6: Final answer
    x = 2,859.76

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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.