Home / 2,503.26-3,454.48-1,399.26

Finding the Fourth Proportional to 2,503.26, 3,454.48 and 1,399.26

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Solution

The fourth proportional to 2,503.26, 3,454.48 and 1,399.26 is: 1,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.26 : 3,454.48 = 1,399.26 : x
  2. Step 2: Convert to fraction form
    2,503.26/3,454.48 = 1,399.26/x
  3. Step 3: Cross multiply
    2,503.26x = 3,454.48 × 1,399.26
  4. Step 4: Simplify right side
    2,503.26x = 4,833,715.68
  5. Step 5: Solve for x
    x = 4,833,715.68/2,503.26
  6. Step 6: Final answer
    x = 1,930.97

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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.