Home / 5,081.15-7,622.97-1,749.45

Finding the Fourth Proportional to 5,081.15, 7,622.97 and 1,749.45

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Solution

The fourth proportional to 5,081.15, 7,622.97 and 1,749.45 is: 2,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.15 : 7,622.97 = 1,749.45 : x
  2. Step 2: Convert to fraction form
    5,081.15/7,622.97 = 1,749.45/x
  3. Step 3: Cross multiply
    5,081.15x = 7,622.97 × 1,749.45
  4. Step 4: Simplify right side
    5,081.15x = 13,336,004.87
  5. Step 5: Solve for x
    x = 13,336,004.87/5,081.15
  6. Step 6: Final answer
    x = 2,624.61

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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.