Home / 1,998.26-2,757.56-1,114.11

Finding the Fourth Proportional to 1,998.26, 2,757.56 and 1,114.11

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Solution

The fourth proportional to 1,998.26, 2,757.56 and 1,114.11 is: 1,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.26 : 2,757.56 = 1,114.11 : x
  2. Step 2: Convert to fraction form
    1,998.26/2,757.56 = 1,114.11/x
  3. Step 3: Cross multiply
    1,998.26x = 2,757.56 × 1,114.11
  4. Step 4: Simplify right side
    1,998.26x = 3,072,219.60
  5. Step 5: Solve for x
    x = 3,072,219.60/1,998.26
  6. Step 6: Final answer
    x = 1,537.45

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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.