Home / 2,531.26-3,493.38-1,536.31

Finding the Fourth Proportional to 2,531.26, 3,493.38 and 1,536.31

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Solution

The fourth proportional to 2,531.26, 3,493.38 and 1,536.31 is: 2,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.26 : 3,493.38 = 1,536.31 : x
  2. Step 2: Convert to fraction form
    2,531.26/3,493.38 = 1,536.31/x
  3. Step 3: Cross multiply
    2,531.26x = 3,493.38 × 1,536.31
  4. Step 4: Simplify right side
    2,531.26x = 5,366,914.63
  5. Step 5: Solve for x
    x = 5,366,914.63/2,531.26
  6. Step 6: Final answer
    x = 2,120.25

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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.