Home / 3,355.90-4,650.76-3,308.92

Finding the Fourth Proportional to 3,355.90, 4,650.76 and 3,308.92

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Solution

The fourth proportional to 3,355.90, 4,650.76 and 3,308.92 is: 4,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.90 : 4,650.76 = 3,308.92 : x
  2. Step 2: Convert to fraction form
    3,355.90/4,650.76 = 3,308.92/x
  3. Step 3: Cross multiply
    3,355.90x = 4,650.76 × 3,308.92
  4. Step 4: Simplify right side
    3,355.90x = 15,388,992.78
  5. Step 5: Solve for x
    x = 15,388,992.78/3,355.90
  6. Step 6: Final answer
    x = 4,585.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.