Home / 3,583.44-4,945.20-2,011.68

Finding the Fourth Proportional to 3,583.44, 4,945.20 and 2,011.68

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Solution

The fourth proportional to 3,583.44, 4,945.20 and 2,011.68 is: 2,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.44 : 4,945.20 = 2,011.68 : x
  2. Step 2: Convert to fraction form
    3,583.44/4,945.20 = 2,011.68/x
  3. Step 3: Cross multiply
    3,583.44x = 4,945.20 × 2,011.68
  4. Step 4: Simplify right side
    3,583.44x = 9,948,159.94
  5. Step 5: Solve for x
    x = 9,948,159.94/3,583.44
  6. Step 6: Final answer
    x = 2,776.15

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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.