Home / 2,186.73-3,280.41-1,262.13

Finding the Fourth Proportional to 2,186.73, 3,280.41 and 1,262.13

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Solution

The fourth proportional to 2,186.73, 3,280.41 and 1,262.13 is: 1,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.73 : 3,280.41 = 1,262.13 : x
  2. Step 2: Convert to fraction form
    2,186.73/3,280.41 = 1,262.13/x
  3. Step 3: Cross multiply
    2,186.73x = 3,280.41 × 1,262.13
  4. Step 4: Simplify right side
    2,186.73x = 4,140,303.87
  5. Step 5: Solve for x
    x = 4,140,303.87/2,186.73
  6. Step 6: Final answer
    x = 1,893.38

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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.