Home / 2,785.14-4,177.68-837.26

Finding the Fourth Proportional to 2,785.14, 4,177.68 and 837.26

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Solution

The fourth proportional to 2,785.14, 4,177.68 and 837.26 is: 1,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.14 : 4,177.68 = 837.26 : x
  2. Step 2: Convert to fraction form
    2,785.14/4,177.68 = 837.26/x
  3. Step 3: Cross multiply
    2,785.14x = 4,177.68 × 837.26
  4. Step 4: Simplify right side
    2,785.14x = 3,497,804.36
  5. Step 5: Solve for x
    x = 3,497,804.36/2,785.14
  6. Step 6: Final answer
    x = 1,255.88

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1.5x scale

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.