Home / 3,390.33-4,680.41-2,396.46

Finding the Fourth Proportional to 3,390.33, 4,680.41 and 2,396.46

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Solution

The fourth proportional to 3,390.33, 4,680.41 and 2,396.46 is: 3,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.33 : 4,680.41 = 2,396.46 : x
  2. Step 2: Convert to fraction form
    3,390.33/4,680.41 = 2,396.46/x
  3. Step 3: Cross multiply
    3,390.33x = 4,680.41 × 2,396.46
  4. Step 4: Simplify right side
    3,390.33x = 11,216,403.37
  5. Step 5: Solve for x
    x = 11,216,403.37/3,390.33
  6. Step 6: Final answer
    x = 3,308.35

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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.