Home / 3,531.67-4,873.65-1,938.33

Finding the Fourth Proportional to 3,531.67, 4,873.65 and 1,938.33

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Solution

The fourth proportional to 3,531.67, 4,873.65 and 1,938.33 is: 2,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.67 : 4,873.65 = 1,938.33 : x
  2. Step 2: Convert to fraction form
    3,531.67/4,873.65 = 1,938.33/x
  3. Step 3: Cross multiply
    3,531.67x = 4,873.65 × 1,938.33
  4. Step 4: Simplify right side
    3,531.67x = 9,446,745.64
  5. Step 5: Solve for x
    x = 9,446,745.64/3,531.67
  6. Step 6: Final answer
    x = 2,674.87

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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.