Home / 4,989.68-7,479.63-4,250.96

Finding the Fourth Proportional to 4,989.68, 7,479.63 and 4,250.96

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Solution

The fourth proportional to 4,989.68, 7,479.63 and 4,250.96 is: 6,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.68 : 7,479.63 = 4,250.96 : x
  2. Step 2: Convert to fraction form
    4,989.68/7,479.63 = 4,250.96/x
  3. Step 3: Cross multiply
    4,989.68x = 7,479.63 × 4,250.96
  4. Step 4: Simplify right side
    4,989.68x = 31,795,607.94
  5. Step 5: Solve for x
    x = 31,795,607.94/4,989.68
  6. Step 6: Final answer
    x = 6,372.27

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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.