Home / 2,331.09-3,495.56-1,161.05

Finding the Fourth Proportional to 2,331.09, 3,495.56 and 1,161.05

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Solution

The fourth proportional to 2,331.09, 3,495.56 and 1,161.05 is: 1,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.09 : 3,495.56 = 1,161.05 : x
  2. Step 2: Convert to fraction form
    2,331.09/3,495.56 = 1,161.05/x
  3. Step 3: Cross multiply
    2,331.09x = 3,495.56 × 1,161.05
  4. Step 4: Simplify right side
    2,331.09x = 4,058,496.65
  5. Step 5: Solve for x
    x = 4,058,496.65/2,331.09
  6. Step 6: Final answer
    x = 1,741.03

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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.