Home / 4,988.25-6,883.79-2,894.13

Finding the Fourth Proportional to 4,988.25, 6,883.79 and 2,894.13

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Solution

The fourth proportional to 4,988.25, 6,883.79 and 2,894.13 is: 3,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.25 : 6,883.79 = 2,894.13 : x
  2. Step 2: Convert to fraction form
    4,988.25/6,883.79 = 2,894.13/x
  3. Step 3: Cross multiply
    4,988.25x = 6,883.79 × 2,894.13
  4. Step 4: Simplify right side
    4,988.25x = 19,922,568.68
  5. Step 5: Solve for x
    x = 19,922,568.68/4,988.25
  6. Step 6: Final answer
    x = 3,993.90

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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.