Home / 3,103.57-4,283.19-1,706.59

Finding the Fourth Proportional to 3,103.57, 4,283.19 and 1,706.59

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Solution

The fourth proportional to 3,103.57, 4,283.19 and 1,706.59 is: 2,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.57 : 4,283.19 = 1,706.59 : x
  2. Step 2: Convert to fraction form
    3,103.57/4,283.19 = 1,706.59/x
  3. Step 3: Cross multiply
    3,103.57x = 4,283.19 × 1,706.59
  4. Step 4: Simplify right side
    3,103.57x = 7,309,649.22
  5. Step 5: Solve for x
    x = 7,309,649.22/3,103.57
  6. Step 6: Final answer
    x = 2,355.24

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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.