Home / 2,943.54-4,060.73-1,880.78

Finding the Fourth Proportional to 2,943.54, 4,060.73 and 1,880.78

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Solution

The fourth proportional to 2,943.54, 4,060.73 and 1,880.78 is: 2,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.54 : 4,060.73 = 1,880.78 : x
  2. Step 2: Convert to fraction form
    2,943.54/4,060.73 = 1,880.78/x
  3. Step 3: Cross multiply
    2,943.54x = 4,060.73 × 1,880.78
  4. Step 4: Simplify right side
    2,943.54x = 7,637,310.06
  5. Step 5: Solve for x
    x = 7,637,310.06/2,943.54
  6. Step 6: Final answer
    x = 2,594.60

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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.