Home / 3,037.47-4,186.77-2,198.19

Finding the Fourth Proportional to 3,037.47, 4,186.77 and 2,198.19

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Solution

The fourth proportional to 3,037.47, 4,186.77 and 2,198.19 is: 3,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.47 : 4,186.77 = 2,198.19 : x
  2. Step 2: Convert to fraction form
    3,037.47/4,186.77 = 2,198.19/x
  3. Step 3: Cross multiply
    3,037.47x = 4,186.77 × 2,198.19
  4. Step 4: Simplify right side
    3,037.47x = 9,203,315.95
  5. Step 5: Solve for x
    x = 9,203,315.95/3,037.47
  6. Step 6: Final answer
    x = 3,029.93

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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.