Home / 3,022.09-4,170.56-1,695.90

Finding the Fourth Proportional to 3,022.09, 4,170.56 and 1,695.90

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Solution

The fourth proportional to 3,022.09, 4,170.56 and 1,695.90 is: 2,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.09 : 4,170.56 = 1,695.90 : x
  2. Step 2: Convert to fraction form
    3,022.09/4,170.56 = 1,695.90/x
  3. Step 3: Cross multiply
    3,022.09x = 4,170.56 × 1,695.90
  4. Step 4: Simplify right side
    3,022.09x = 7,072,852.70
  5. Step 5: Solve for x
    x = 7,072,852.70/3,022.09
  6. Step 6: Final answer
    x = 2,340.38

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Half scale
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Double scale
Find fourth proportional to 3,023.09, 4,171.94 and 1,696.90
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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.