Home / 3,517.48-4,854.12-1,945.60

Finding the Fourth Proportional to 3,517.48, 4,854.12 and 1,945.60

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Solution

The fourth proportional to 3,517.48, 4,854.12 and 1,945.60 is: 2,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.48 : 4,854.12 = 1,945.60 : x
  2. Step 2: Convert to fraction form
    3,517.48/4,854.12 = 1,945.60/x
  3. Step 3: Cross multiply
    3,517.48x = 4,854.12 × 1,945.60
  4. Step 4: Simplify right side
    3,517.48x = 9,444,175.87
  5. Step 5: Solve for x
    x = 9,444,175.87/3,517.48
  6. Step 6: Final answer
    x = 2,684.93

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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.