Home / 5,379.26-7,425.81-3,611.84

Finding the Fourth Proportional to 5,379.26, 7,425.81 and 3,611.84

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Solution

The fourth proportional to 5,379.26, 7,425.81 and 3,611.84 is: 4,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.26 : 7,425.81 = 3,611.84 : x
  2. Step 2: Convert to fraction form
    5,379.26/7,425.81 = 3,611.84/x
  3. Step 3: Cross multiply
    5,379.26x = 7,425.81 × 3,611.84
  4. Step 4: Simplify right side
    5,379.26x = 26,820,800.46
  5. Step 5: Solve for x
    x = 26,820,800.46/5,379.26
  6. Step 6: Final answer
    x = 4,985.97

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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.