Home / 2,938.92-4,054.50-1,945.32

Finding the Fourth Proportional to 2,938.92, 4,054.50 and 1,945.32

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Solution

The fourth proportional to 2,938.92, 4,054.50 and 1,945.32 is: 2,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.92 : 4,054.50 = 1,945.32 : x
  2. Step 2: Convert to fraction form
    2,938.92/4,054.50 = 1,945.32/x
  3. Step 3: Cross multiply
    2,938.92x = 4,054.50 × 1,945.32
  4. Step 4: Simplify right side
    2,938.92x = 7,887,299.94
  5. Step 5: Solve for x
    x = 7,887,299.94/2,938.92
  6. Step 6: Final answer
    x = 2,683.74

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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.