Home / 4,105.03-6,157.49-2,785.51

Finding the Fourth Proportional to 4,105.03, 6,157.49 and 2,785.51

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Solution

The fourth proportional to 4,105.03, 6,157.49 and 2,785.51 is: 4,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.03 : 6,157.49 = 2,785.51 : x
  2. Step 2: Convert to fraction form
    4,105.03/6,157.49 = 2,785.51/x
  3. Step 3: Cross multiply
    4,105.03x = 6,157.49 × 2,785.51
  4. Step 4: Simplify right side
    4,105.03x = 17,151,749.97
  5. Step 5: Solve for x
    x = 17,151,749.97/4,105.03
  6. Step 6: Final answer
    x = 4,178.23

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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.