Home / 6,418.86-8,858.46-3,624.54

Finding the Fourth Proportional to 6,418.86, 8,858.46 and 3,624.54

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Solution

The fourth proportional to 6,418.86, 8,858.46 and 3,624.54 is: 5,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.86 : 8,858.46 = 3,624.54 : x
  2. Step 2: Convert to fraction form
    6,418.86/8,858.46 = 3,624.54/x
  3. Step 3: Cross multiply
    6,418.86x = 8,858.46 × 3,624.54
  4. Step 4: Simplify right side
    6,418.86x = 32,107,842.61
  5. Step 5: Solve for x
    x = 32,107,842.61/6,418.86
  6. Step 6: Final answer
    x = 5,002.11

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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.