Home / 3,104.25-4,283.87-1,707.09

Finding the Fourth Proportional to 3,104.25, 4,283.87 and 1,707.09

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Solution

The fourth proportional to 3,104.25, 4,283.87 and 1,707.09 is: 2,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.25 : 4,283.87 = 1,707.09 : x
  2. Step 2: Convert to fraction form
    3,104.25/4,283.87 = 1,707.09/x
  3. Step 3: Cross multiply
    3,104.25x = 4,283.87 × 1,707.09
  4. Step 4: Simplify right side
    3,104.25x = 7,312,943.10
  5. Step 5: Solve for x
    x = 7,312,943.10/3,104.25
  6. Step 6: Final answer
    x = 2,355.78

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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.