Home / 2,982.06-4,112.46-1,862.24

Finding the Fourth Proportional to 2,982.06, 4,112.46 and 1,862.24

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Solution

The fourth proportional to 2,982.06, 4,112.46 and 1,862.24 is: 2,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.06 : 4,112.46 = 1,862.24 : x
  2. Step 2: Convert to fraction form
    2,982.06/4,112.46 = 1,862.24/x
  3. Step 3: Cross multiply
    2,982.06x = 4,112.46 × 1,862.24
  4. Step 4: Simplify right side
    2,982.06x = 7,658,366.95
  5. Step 5: Solve for x
    x = 7,658,366.95/2,982.06
  6. Step 6: Final answer
    x = 2,568.15

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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.