Home / 4,496.46-6,740.28-2,155.80

Finding the Fourth Proportional to 4,496.46, 6,740.28 and 2,155.80

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Solution

The fourth proportional to 4,496.46, 6,740.28 and 2,155.80 is: 3,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,496.46 : 6,740.28 = 2,155.80 : x
  2. Step 2: Convert to fraction form
    4,496.46/6,740.28 = 2,155.80/x
  3. Step 3: Cross multiply
    4,496.46x = 6,740.28 × 2,155.80
  4. Step 4: Simplify right side
    4,496.46x = 14,530,695.62
  5. Step 5: Solve for x
    x = 14,530,695.62/4,496.46
  6. Step 6: Final answer
    x = 3,231.59

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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.