Home / 2,013.51-3,019.66-1,191.56

Finding the Fourth Proportional to 2,013.51, 3,019.66 and 1,191.56

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Solution

The fourth proportional to 2,013.51, 3,019.66 and 1,191.56 is: 1,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.51 : 3,019.66 = 1,191.56 : x
  2. Step 2: Convert to fraction form
    2,013.51/3,019.66 = 1,191.56/x
  3. Step 3: Cross multiply
    2,013.51x = 3,019.66 × 1,191.56
  4. Step 4: Simplify right side
    2,013.51x = 3,598,110.64
  5. Step 5: Solve for x
    x = 3,598,110.64/2,013.51
  6. Step 6: Final answer
    x = 1,786.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.