Home / 7,280.44-10,048.39-4,136.63

Finding the Fourth Proportional to 7,280.44, 10,048.39 and 4,136.63

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Solution

The fourth proportional to 7,280.44, 10,048.39 and 4,136.63 is: 5,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.44 : 10,048.39 = 4,136.63 : x
  2. Step 2: Convert to fraction form
    7,280.44/10,048.39 = 4,136.63/x
  3. Step 3: Cross multiply
    7,280.44x = 10,048.39 × 4,136.63
  4. Step 4: Simplify right side
    7,280.44x = 41,566,410.94
  5. Step 5: Solve for x
    x = 41,566,410.94/7,280.44
  6. Step 6: Final answer
    x = 5,709.33

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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.