Home / 3,680.10-5,074.92-2,422.26

Finding the Fourth Proportional to 3,680.10, 5,074.92 and 2,422.26

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Solution

The fourth proportional to 3,680.10, 5,074.92 and 2,422.26 is: 3,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.10 : 5,074.92 = 2,422.26 : x
  2. Step 2: Convert to fraction form
    3,680.10/5,074.92 = 2,422.26/x
  3. Step 3: Cross multiply
    3,680.10x = 5,074.92 × 2,422.26
  4. Step 4: Simplify right side
    3,680.10x = 12,292,775.72
  5. Step 5: Solve for x
    x = 12,292,775.72/3,680.10
  6. Step 6: Final answer
    x = 3,340.34

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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.