Home / 3,508.73-4,841.85-2,015.60

Finding the Fourth Proportional to 3,508.73, 4,841.85 and 2,015.60

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Solution

The fourth proportional to 3,508.73, 4,841.85 and 2,015.60 is: 2,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.73 : 4,841.85 = 2,015.60 : x
  2. Step 2: Convert to fraction form
    3,508.73/4,841.85 = 2,015.60/x
  3. Step 3: Cross multiply
    3,508.73x = 4,841.85 × 2,015.60
  4. Step 4: Simplify right side
    3,508.73x = 9,759,232.86
  5. Step 5: Solve for x
    x = 9,759,232.86/3,508.73
  6. Step 6: Final answer
    x = 2,781.41

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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.