Home / 4,917.83-6,786-2,792.59

Finding the Fourth Proportional to 4,917.83, 6,786 and 2,792.59

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Solution

The fourth proportional to 4,917.83, 6,786 and 2,792.59 is: 3,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.83 : 6,786 = 2,792.59 : x
  2. Step 2: Convert to fraction form
    4,917.83/6,786 = 2,792.59/x
  3. Step 3: Cross multiply
    4,917.83x = 6,786 × 2,792.59
  4. Step 4: Simplify right side
    4,917.83x = 18,950,498.78
  5. Step 5: Solve for x
    x = 18,950,498.78/4,917.83
  6. Step 6: Final answer
    x = 3,853.43

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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.