Home / 5,903.06-8,140.95-4,198.22

Finding the Fourth Proportional to 5,903.06, 8,140.95 and 4,198.22

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Solution

The fourth proportional to 5,903.06, 8,140.95 and 4,198.22 is: 5,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.06 : 8,140.95 = 4,198.22 : x
  2. Step 2: Convert to fraction form
    5,903.06/8,140.95 = 4,198.22/x
  3. Step 3: Cross multiply
    5,903.06x = 8,140.95 × 4,198.22
  4. Step 4: Simplify right side
    5,903.06x = 34,177,458.40
  5. Step 5: Solve for x
    x = 34,177,458.40/5,903.06
  6. Step 6: Final answer
    x = 5,789.79

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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.