Home / 2,792.88-3,852.99-1,673.28

Finding the Fourth Proportional to 2,792.88, 3,852.99 and 1,673.28

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Solution

The fourth proportional to 2,792.88, 3,852.99 and 1,673.28 is: 2,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.88 : 3,852.99 = 1,673.28 : x
  2. Step 2: Convert to fraction form
    2,792.88/3,852.99 = 1,673.28/x
  3. Step 3: Cross multiply
    2,792.88x = 3,852.99 × 1,673.28
  4. Step 4: Simplify right side
    2,792.88x = 6,447,131.11
  5. Step 5: Solve for x
    x = 6,447,131.11/2,792.88
  6. Step 6: Final answer
    x = 2,308.42

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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.