Home / 2,055.44-2,836.54-1,216.13

Finding the Fourth Proportional to 2,055.44, 2,836.54 and 1,216.13

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Solution

The fourth proportional to 2,055.44, 2,836.54 and 1,216.13 is: 1,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.44 : 2,836.54 = 1,216.13 : x
  2. Step 2: Convert to fraction form
    2,055.44/2,836.54 = 1,216.13/x
  3. Step 3: Cross multiply
    2,055.44x = 2,836.54 × 1,216.13
  4. Step 4: Simplify right side
    2,055.44x = 3,449,596.14
  5. Step 5: Solve for x
    x = 3,449,596.14/2,055.44
  6. Step 6: Final answer
    x = 1,678.27

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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.