Home / 3,508.46-4,839.54-2,091.22

Finding the Fourth Proportional to 3,508.46, 4,839.54 and 2,091.22

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Solution

The fourth proportional to 3,508.46, 4,839.54 and 2,091.22 is: 2,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.46 : 4,839.54 = 2,091.22 : x
  2. Step 2: Convert to fraction form
    3,508.46/4,839.54 = 2,091.22/x
  3. Step 3: Cross multiply
    3,508.46x = 4,839.54 × 2,091.22
  4. Step 4: Simplify right side
    3,508.46x = 10,120,518.64
  5. Step 5: Solve for x
    x = 10,120,518.64/3,508.46
  6. Step 6: Final answer
    x = 2,884.60

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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.