Home / 2,635.20-3,633.48-2,004.12

Finding the Fourth Proportional to 2,635.20, 3,633.48 and 2,004.12

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Solution

The fourth proportional to 2,635.20, 3,633.48 and 2,004.12 is: 2,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.20 : 3,633.48 = 2,004.12 : x
  2. Step 2: Convert to fraction form
    2,635.20/3,633.48 = 2,004.12/x
  3. Step 3: Cross multiply
    2,635.20x = 3,633.48 × 2,004.12
  4. Step 4: Simplify right side
    2,635.20x = 7,281,929.94
  5. Step 5: Solve for x
    x = 7,281,929.94/2,635.20
  6. Step 6: Final answer
    x = 2,763.33

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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.