Home / 4,128.29-5,695.65-2,450.22

Finding the Fourth Proportional to 4,128.29, 5,695.65 and 2,450.22

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Solution

The fourth proportional to 4,128.29, 5,695.65 and 2,450.22 is: 3,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.29 : 5,695.65 = 2,450.22 : x
  2. Step 2: Convert to fraction form
    4,128.29/5,695.65 = 2,450.22/x
  3. Step 3: Cross multiply
    4,128.29x = 5,695.65 × 2,450.22
  4. Step 4: Simplify right side
    4,128.29x = 13,955,595.54
  5. Step 5: Solve for x
    x = 13,955,595.54/4,128.29
  6. Step 6: Final answer
    x = 3,380.48

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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.