Home / 2,943.19-4,059.69-1,881.28

Finding the Fourth Proportional to 2,943.19, 4,059.69 and 1,881.28

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Solution

The fourth proportional to 2,943.19, 4,059.69 and 1,881.28 is: 2,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.19 : 4,059.69 = 1,881.28 : x
  2. Step 2: Convert to fraction form
    2,943.19/4,059.69 = 1,881.28/x
  3. Step 3: Cross multiply
    2,943.19x = 4,059.69 × 1,881.28
  4. Step 4: Simplify right side
    2,943.19x = 7,637,413.60
  5. Step 5: Solve for x
    x = 7,637,413.60/2,943.19
  6. Step 6: Final answer
    x = 2,594.94

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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.