Home / 3,040.26-4,194.36-1,860.90

Finding the Fourth Proportional to 3,040.26, 4,194.36 and 1,860.90

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Solution

The fourth proportional to 3,040.26, 4,194.36 and 1,860.90 is: 2,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.26 : 4,194.36 = 1,860.90 : x
  2. Step 2: Convert to fraction form
    3,040.26/4,194.36 = 1,860.90/x
  3. Step 3: Cross multiply
    3,040.26x = 4,194.36 × 1,860.90
  4. Step 4: Simplify right side
    3,040.26x = 7,805,284.52
  5. Step 5: Solve for x
    x = 7,805,284.52/3,040.26
  6. Step 6: Final answer
    x = 2,567.31

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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.