Home / 4,910.40-7,365.56-2,136.69

Finding the Fourth Proportional to 4,910.40, 7,365.56 and 2,136.69

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Solution

The fourth proportional to 4,910.40, 7,365.56 and 2,136.69 is: 3,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.40 : 7,365.56 = 2,136.69 : x
  2. Step 2: Convert to fraction form
    4,910.40/7,365.56 = 2,136.69/x
  3. Step 3: Cross multiply
    4,910.40x = 7,365.56 × 2,136.69
  4. Step 4: Simplify right side
    4,910.40x = 15,737,907.71
  5. Step 5: Solve for x
    x = 15,737,907.71/4,910.40
  6. Step 6: Final answer
    x = 3,205.02

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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.