Home / 2,054.97-2,836.08-1,170.90

Finding the Fourth Proportional to 2,054.97, 2,836.08 and 1,170.90

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Solution

The fourth proportional to 2,054.97, 2,836.08 and 1,170.90 is: 1,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.97 : 2,836.08 = 1,170.90 : x
  2. Step 2: Convert to fraction form
    2,054.97/2,836.08 = 1,170.90/x
  3. Step 3: Cross multiply
    2,054.97x = 2,836.08 × 1,170.90
  4. Step 4: Simplify right side
    2,054.97x = 3,320,766.07
  5. Step 5: Solve for x
    x = 3,320,766.07/2,054.97
  6. Step 6: Final answer
    x = 1,615.97

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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.