Home / 3,448.38-4,758.76-1,876.48

Finding the Fourth Proportional to 3,448.38, 4,758.76 and 1,876.48

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Solution

The fourth proportional to 3,448.38, 4,758.76 and 1,876.48 is: 2,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.38 : 4,758.76 = 1,876.48 : x
  2. Step 2: Convert to fraction form
    3,448.38/4,758.76 = 1,876.48/x
  3. Step 3: Cross multiply
    3,448.38x = 4,758.76 × 1,876.48
  4. Step 4: Simplify right side
    3,448.38x = 8,929,713.27
  5. Step 5: Solve for x
    x = 8,929,713.27/3,448.38
  6. Step 6: Final answer
    x = 2,589.54

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1.5x scale

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.