Home / 3,028.32-4,179.12-1,702.01

Finding the Fourth Proportional to 3,028.32, 4,179.12 and 1,702.01

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Solution

The fourth proportional to 3,028.32, 4,179.12 and 1,702.01 is: 2,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.32 : 4,179.12 = 1,702.01 : x
  2. Step 2: Convert to fraction form
    3,028.32/4,179.12 = 1,702.01/x
  3. Step 3: Cross multiply
    3,028.32x = 4,179.12 × 1,702.01
  4. Step 4: Simplify right side
    3,028.32x = 7,112,883.14
  5. Step 5: Solve for x
    x = 7,112,883.14/3,028.32
  6. Step 6: Final answer
    x = 2,348.79

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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.