Home / 3,201.77-4,418.06-1,785.13

Finding the Fourth Proportional to 3,201.77, 4,418.06 and 1,785.13

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Solution

The fourth proportional to 3,201.77, 4,418.06 and 1,785.13 is: 2,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.77 : 4,418.06 = 1,785.13 : x
  2. Step 2: Convert to fraction form
    3,201.77/4,418.06 = 1,785.13/x
  3. Step 3: Cross multiply
    3,201.77x = 4,418.06 × 1,785.13
  4. Step 4: Simplify right side
    3,201.77x = 7,886,811.45
  5. Step 5: Solve for x
    x = 7,886,811.45/3,201.77
  6. Step 6: Final answer
    x = 2,463.27

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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.