Home / 3,104.16-4,284.09-1,778.07

Finding the Fourth Proportional to 3,104.16, 4,284.09 and 1,778.07

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Solution

The fourth proportional to 3,104.16, 4,284.09 and 1,778.07 is: 2,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.16 : 4,284.09 = 1,778.07 : x
  2. Step 2: Convert to fraction form
    3,104.16/4,284.09 = 1,778.07/x
  3. Step 3: Cross multiply
    3,104.16x = 4,284.09 × 1,778.07
  4. Step 4: Simplify right side
    3,104.16x = 7,617,411.91
  5. Step 5: Solve for x
    x = 7,617,411.91/3,104.16
  6. Step 6: Final answer
    x = 2,453.94

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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.