Home / 3,092.21-4,638.35-1,705.28

Finding the Fourth Proportional to 3,092.21, 4,638.35 and 1,705.28

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Solution

The fourth proportional to 3,092.21, 4,638.35 and 1,705.28 is: 2,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.21 : 4,638.35 = 1,705.28 : x
  2. Step 2: Convert to fraction form
    3,092.21/4,638.35 = 1,705.28/x
  3. Step 3: Cross multiply
    3,092.21x = 4,638.35 × 1,705.28
  4. Step 4: Simplify right side
    3,092.21x = 7,909,653.77
  5. Step 5: Solve for x
    x = 7,909,653.77/3,092.21
  6. Step 6: Final answer
    x = 2,557.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.