Home / 6,441.46-8,888.20-3,608.62

Finding the Fourth Proportional to 6,441.46, 8,888.20 and 3,608.62

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Solution

The fourth proportional to 6,441.46, 8,888.20 and 3,608.62 is: 4,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.46 : 8,888.20 = 3,608.62 : x
  2. Step 2: Convert to fraction form
    6,441.46/8,888.20 = 3,608.62/x
  3. Step 3: Cross multiply
    6,441.46x = 8,888.20 × 3,608.62
  4. Step 4: Simplify right side
    6,441.46x = 32,074,136.28
  5. Step 5: Solve for x
    x = 32,074,136.28/6,441.46
  6. Step 6: Final answer
    x = 4,979.33

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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.