Home / 2,633.92-3,635.28-1,571.75

Finding the Fourth Proportional to 2,633.92, 3,635.28 and 1,571.75

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Solution

The fourth proportional to 2,633.92, 3,635.28 and 1,571.75 is: 2,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.92 : 3,635.28 = 1,571.75 : x
  2. Step 2: Convert to fraction form
    2,633.92/3,635.28 = 1,571.75/x
  3. Step 3: Cross multiply
    2,633.92x = 3,635.28 × 1,571.75
  4. Step 4: Simplify right side
    2,633.92x = 5,713,751.34
  5. Step 5: Solve for x
    x = 5,713,751.34/2,633.92
  6. Step 6: Final answer
    x = 2,169.30

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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.