Home / 5,100.26-7,648.46-1,767.68

Finding the Fourth Proportional to 5,100.26, 7,648.46 and 1,767.68

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Solution

The fourth proportional to 5,100.26, 7,648.46 and 1,767.68 is: 2,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.26 : 7,648.46 = 1,767.68 : x
  2. Step 2: Convert to fraction form
    5,100.26/7,648.46 = 1,767.68/x
  3. Step 3: Cross multiply
    5,100.26x = 7,648.46 × 1,767.68
  4. Step 4: Simplify right side
    5,100.26x = 13,520,018.00
  5. Step 5: Solve for x
    x = 13,520,018.00/5,100.26
  6. Step 6: Final answer
    x = 2,650.85

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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.