Home / 3,173.36-4,377.17-2,179.17

Finding the Fourth Proportional to 3,173.36, 4,377.17 and 2,179.17

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Solution

The fourth proportional to 3,173.36, 4,377.17 and 2,179.17 is: 3,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.36 : 4,377.17 = 2,179.17 : x
  2. Step 2: Convert to fraction form
    3,173.36/4,377.17 = 2,179.17/x
  3. Step 3: Cross multiply
    3,173.36x = 4,377.17 × 2,179.17
  4. Step 4: Simplify right side
    3,173.36x = 9,538,603.00
  5. Step 5: Solve for x
    x = 9,538,603.00/3,173.36
  6. Step 6: Final answer
    x = 3,005.84

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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.