Home / 4,650.86-6,421.20-3,234.08

Finding the Fourth Proportional to 4,650.86, 6,421.20 and 3,234.08

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Solution

The fourth proportional to 4,650.86, 6,421.20 and 3,234.08 is: 4,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.86 : 6,421.20 = 3,234.08 : x
  2. Step 2: Convert to fraction form
    4,650.86/6,421.20 = 3,234.08/x
  3. Step 3: Cross multiply
    4,650.86x = 6,421.20 × 3,234.08
  4. Step 4: Simplify right side
    4,650.86x = 20,766,674.50
  5. Step 5: Solve for x
    x = 20,766,674.50/4,650.86
  6. Step 6: Final answer
    x = 4,465.13

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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.