Home / 5,043.06-7,561.62-2,120.58

Finding the Fourth Proportional to 5,043.06, 7,561.62 and 2,120.58

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Solution

The fourth proportional to 5,043.06, 7,561.62 and 2,120.58 is: 3,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.06 : 7,561.62 = 2,120.58 : x
  2. Step 2: Convert to fraction form
    5,043.06/7,561.62 = 2,120.58/x
  3. Step 3: Cross multiply
    5,043.06x = 7,561.62 × 2,120.58
  4. Step 4: Simplify right side
    5,043.06x = 16,035,020.14
  5. Step 5: Solve for x
    x = 16,035,020.14/5,043.06
  6. Step 6: Final answer
    x = 3,179.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.