Home / 2,947.89-4,068.81-1,768.71

Finding the Fourth Proportional to 2,947.89, 4,068.81 and 1,768.71

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Solution

The fourth proportional to 2,947.89, 4,068.81 and 1,768.71 is: 2,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.89 : 4,068.81 = 1,768.71 : x
  2. Step 2: Convert to fraction form
    2,947.89/4,068.81 = 1,768.71/x
  3. Step 3: Cross multiply
    2,947.89x = 4,068.81 × 1,768.71
  4. Step 4: Simplify right side
    2,947.89x = 7,196,544.94
  5. Step 5: Solve for x
    x = 7,196,544.94/2,947.89
  6. Step 6: Final answer
    x = 2,441.25

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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.