Home / 2,087.19-2,893.47-1,976.22

Finding the Fourth Proportional to 2,087.19, 2,893.47 and 1,976.22

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Solution

The fourth proportional to 2,087.19, 2,893.47 and 1,976.22 is: 2,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.19 : 2,893.47 = 1,976.22 : x
  2. Step 2: Convert to fraction form
    2,087.19/2,893.47 = 1,976.22/x
  3. Step 3: Cross multiply
    2,087.19x = 2,893.47 × 1,976.22
  4. Step 4: Simplify right side
    2,087.19x = 5,718,133.28
  5. Step 5: Solve for x
    x = 5,718,133.28/2,087.19
  6. Step 6: Final answer
    x = 2,739.63

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Find fourth proportional to 2,088.19, 2,894.86 and 1,977.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.