Home / 3,104.67-4,284.36-1,707.42

Finding the Fourth Proportional to 3,104.67, 4,284.36 and 1,707.42

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Solution

The fourth proportional to 3,104.67, 4,284.36 and 1,707.42 is: 2,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.67 : 4,284.36 = 1,707.42 : x
  2. Step 2: Convert to fraction form
    3,104.67/4,284.36 = 1,707.42/x
  3. Step 3: Cross multiply
    3,104.67x = 4,284.36 × 1,707.42
  4. Step 4: Simplify right side
    3,104.67x = 7,315,201.95
  5. Step 5: Solve for x
    x = 7,315,201.95/3,104.67
  6. Step 6: Final answer
    x = 2,356.19

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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.