Home / 2,983.77-4,119.57-1,866.27

Finding the Fourth Proportional to 2,983.77, 4,119.57 and 1,866.27

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Solution

The fourth proportional to 2,983.77, 4,119.57 and 1,866.27 is: 2,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.77 : 4,119.57 = 1,866.27 : x
  2. Step 2: Convert to fraction form
    2,983.77/4,119.57 = 1,866.27/x
  3. Step 3: Cross multiply
    2,983.77x = 4,119.57 × 1,866.27
  4. Step 4: Simplify right side
    2,983.77x = 7,688,229.90
  5. Step 5: Solve for x
    x = 7,688,229.90/2,983.77
  6. Step 6: Final answer
    x = 2,576.68

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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.