Home / 2,019.26-2,786.19-1,273.34

Finding the Fourth Proportional to 2,019.26, 2,786.19 and 1,273.34

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Solution

The fourth proportional to 2,019.26, 2,786.19 and 1,273.34 is: 1,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.26 : 2,786.19 = 1,273.34 : x
  2. Step 2: Convert to fraction form
    2,019.26/2,786.19 = 1,273.34/x
  3. Step 3: Cross multiply
    2,019.26x = 2,786.19 × 1,273.34
  4. Step 4: Simplify right side
    2,019.26x = 3,547,767.17
  5. Step 5: Solve for x
    x = 3,547,767.17/2,019.26
  6. Step 6: Final answer
    x = 1,756.96

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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.