Home / 4,311.60-6,465.76-1,845.12

Finding the Fourth Proportional to 4,311.60, 6,465.76 and 1,845.12

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Solution

The fourth proportional to 4,311.60, 6,465.76 and 1,845.12 is: 2,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.60 : 6,465.76 = 1,845.12 : x
  2. Step 2: Convert to fraction form
    4,311.60/6,465.76 = 1,845.12/x
  3. Step 3: Cross multiply
    4,311.60x = 6,465.76 × 1,845.12
  4. Step 4: Simplify right side
    4,311.60x = 11,930,103.09
  5. Step 5: Solve for x
    x = 11,930,103.09/4,311.60
  6. Step 6: Final answer
    x = 2,766.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.