Home / 3,517.50-4,854.36-1,945.56

Finding the Fourth Proportional to 3,517.50, 4,854.36 and 1,945.56

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Solution

The fourth proportional to 3,517.50, 4,854.36 and 1,945.56 is: 2,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.50 : 4,854.36 = 1,945.56 : x
  2. Step 2: Convert to fraction form
    3,517.50/4,854.36 = 1,945.56/x
  3. Step 3: Cross multiply
    3,517.50x = 4,854.36 × 1,945.56
  4. Step 4: Simplify right side
    3,517.50x = 9,444,448.64
  5. Step 5: Solve for x
    x = 9,444,448.64/3,517.50
  6. Step 6: Final answer
    x = 2,684.99

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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.