Home / 3,022.05-4,170.15-1,695.51

Finding the Fourth Proportional to 3,022.05, 4,170.15 and 1,695.51

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Solution

The fourth proportional to 3,022.05, 4,170.15 and 1,695.51 is: 2,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.05 : 4,170.15 = 1,695.51 : x
  2. Step 2: Convert to fraction form
    3,022.05/4,170.15 = 1,695.51/x
  3. Step 3: Cross multiply
    3,022.05x = 4,170.15 × 1,695.51
  4. Step 4: Simplify right side
    3,022.05x = 7,070,531.03
  5. Step 5: Solve for x
    x = 7,070,531.03/3,022.05
  6. Step 6: Final answer
    x = 2,339.65

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Half scale
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Double scale
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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.