Home / 3,028.77-4,179.81-1,702.44

Finding the Fourth Proportional to 3,028.77, 4,179.81 and 1,702.44

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Solution

The fourth proportional to 3,028.77, 4,179.81 and 1,702.44 is: 2,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.77 : 4,179.81 = 1,702.44 : x
  2. Step 2: Convert to fraction form
    3,028.77/4,179.81 = 1,702.44/x
  3. Step 3: Cross multiply
    3,028.77x = 4,179.81 × 1,702.44
  4. Step 4: Simplify right side
    3,028.77x = 7,115,875.74
  5. Step 5: Solve for x
    x = 7,115,875.74/3,028.77
  6. Step 6: Final answer
    x = 2,349.43

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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.