Home / 2,743.92-4,113.75-1,356.30

Finding the Fourth Proportional to 2,743.92, 4,113.75 and 1,356.30

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Solution

The fourth proportional to 2,743.92, 4,113.75 and 1,356.30 is: 2,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.92 : 4,113.75 = 1,356.30 : x
  2. Step 2: Convert to fraction form
    2,743.92/4,113.75 = 1,356.30/x
  3. Step 3: Cross multiply
    2,743.92x = 4,113.75 × 1,356.30
  4. Step 4: Simplify right side
    2,743.92x = 5,579,479.13
  5. Step 5: Solve for x
    x = 5,579,479.13/2,743.92
  6. Step 6: Final answer
    x = 2,033.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.