Home / 3,022.61-4,169.36-1,901.61

Finding the Fourth Proportional to 3,022.61, 4,169.36 and 1,901.61

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Solution

The fourth proportional to 3,022.61, 4,169.36 and 1,901.61 is: 2,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.61 : 4,169.36 = 1,901.61 : x
  2. Step 2: Convert to fraction form
    3,022.61/4,169.36 = 1,901.61/x
  3. Step 3: Cross multiply
    3,022.61x = 4,169.36 × 1,901.61
  4. Step 4: Simplify right side
    3,022.61x = 7,928,501.42
  5. Step 5: Solve for x
    x = 7,928,501.42/3,022.61
  6. Step 6: Final answer
    x = 2,623.07

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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.