Home / 3,803.03-5,248.83-2,811.18

Finding the Fourth Proportional to 3,803.03, 5,248.83 and 2,811.18

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Solution

The fourth proportional to 3,803.03, 5,248.83 and 2,811.18 is: 3,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.03 : 5,248.83 = 2,811.18 : x
  2. Step 2: Convert to fraction form
    3,803.03/5,248.83 = 2,811.18/x
  3. Step 3: Cross multiply
    3,803.03x = 5,248.83 × 2,811.18
  4. Step 4: Simplify right side
    3,803.03x = 14,755,405.92
  5. Step 5: Solve for x
    x = 14,755,405.92/3,803.03
  6. Step 6: Final answer
    x = 3,879.91

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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.