Home / 1,906.13-2,873.49-1,779.13

Finding the Fourth Proportional to 1,906.13, 2,873.49 and 1,779.13

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Solution

The fourth proportional to 1,906.13, 2,873.49 and 1,779.13 is: 2,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.13 : 2,873.49 = 1,779.13 : x
  2. Step 2: Convert to fraction form
    1,906.13/2,873.49 = 1,779.13/x
  3. Step 3: Cross multiply
    1,906.13x = 2,873.49 × 1,779.13
  4. Step 4: Simplify right side
    1,906.13x = 5,112,304.22
  5. Step 5: Solve for x
    x = 5,112,304.22/1,906.13
  6. Step 6: Final answer
    x = 2,682.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.