Home / 2,792.63-3,853.88-1,798.25

Finding the Fourth Proportional to 2,792.63, 3,853.88 and 1,798.25

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Solution

The fourth proportional to 2,792.63, 3,853.88 and 1,798.25 is: 2,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.63 : 3,853.88 = 1,798.25 : x
  2. Step 2: Convert to fraction form
    2,792.63/3,853.88 = 1,798.25/x
  3. Step 3: Cross multiply
    2,792.63x = 3,853.88 × 1,798.25
  4. Step 4: Simplify right side
    2,792.63x = 6,930,239.87
  5. Step 5: Solve for x
    x = 6,930,239.87/2,792.63
  6. Step 6: Final answer
    x = 2,481.62

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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.