Home / 3,201.88-4,418.59-1,785.46

Finding the Fourth Proportional to 3,201.88, 4,418.59 and 1,785.46

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Solution

The fourth proportional to 3,201.88, 4,418.59 and 1,785.46 is: 2,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.88 : 4,418.59 = 1,785.46 : x
  2. Step 2: Convert to fraction form
    3,201.88/4,418.59 = 1,785.46/x
  3. Step 3: Cross multiply
    3,201.88x = 4,418.59 × 1,785.46
  4. Step 4: Simplify right side
    3,201.88x = 7,889,193.61
  5. Step 5: Solve for x
    x = 7,889,193.61/3,201.88
  6. Step 6: Final answer
    x = 2,463.93

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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.