Home / 3,507.12-5,260.76-1,198.80

Finding the Fourth Proportional to 3,507.12, 5,260.76 and 1,198.80

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Solution

The fourth proportional to 3,507.12, 5,260.76 and 1,198.80 is: 1,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.12 : 5,260.76 = 1,198.80 : x
  2. Step 2: Convert to fraction form
    3,507.12/5,260.76 = 1,198.80/x
  3. Step 3: Cross multiply
    3,507.12x = 5,260.76 × 1,198.80
  4. Step 4: Simplify right side
    3,507.12x = 6,306,599.09
  5. Step 5: Solve for x
    x = 6,306,599.09/3,507.12
  6. Step 6: Final answer
    x = 1,798.23

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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.