Home / 3,131.83-4,321.93-1,734.58

Finding the Fourth Proportional to 3,131.83, 4,321.93 and 1,734.58

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Solution

The fourth proportional to 3,131.83, 4,321.93 and 1,734.58 is: 2,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.83 : 4,321.93 = 1,734.58 : x
  2. Step 2: Convert to fraction form
    3,131.83/4,321.93 = 1,734.58/x
  3. Step 3: Cross multiply
    3,131.83x = 4,321.93 × 1,734.58
  4. Step 4: Simplify right side
    3,131.83x = 7,496,733.34
  5. Step 5: Solve for x
    x = 7,496,733.34/3,131.83
  6. Step 6: Final answer
    x = 2,393.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.