Home / 3,353.40-4,623.66-2,794.68

Finding the Fourth Proportional to 3,353.40, 4,623.66 and 2,794.68

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Solution

The fourth proportional to 3,353.40, 4,623.66 and 2,794.68 is: 3,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.40 : 4,623.66 = 2,794.68 : x
  2. Step 2: Convert to fraction form
    3,353.40/4,623.66 = 2,794.68/x
  3. Step 3: Cross multiply
    3,353.40x = 4,623.66 × 2,794.68
  4. Step 4: Simplify right side
    3,353.40x = 12,921,650.13
  5. Step 5: Solve for x
    x = 12,921,650.13/3,353.40
  6. Step 6: Final answer
    x = 3,853.30

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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.