Home / 3,328.83-4,613.20-3,281.85

Finding the Fourth Proportional to 3,328.83, 4,613.20 and 3,281.85

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Solution

The fourth proportional to 3,328.83, 4,613.20 and 3,281.85 is: 4,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.83 : 4,613.20 = 3,281.85 : x
  2. Step 2: Convert to fraction form
    3,328.83/4,613.20 = 3,281.85/x
  3. Step 3: Cross multiply
    3,328.83x = 4,613.20 × 3,281.85
  4. Step 4: Simplify right side
    3,328.83x = 15,139,790.94
  5. Step 5: Solve for x
    x = 15,139,790.94/3,328.83
  6. Step 6: Final answer
    x = 4,548.09

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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.