Home / 2,940.47-4,409.14-1,296.23

Finding the Fourth Proportional to 2,940.47, 4,409.14 and 1,296.23

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Solution

The fourth proportional to 2,940.47, 4,409.14 and 1,296.23 is: 1,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.47 : 4,409.14 = 1,296.23 : x
  2. Step 2: Convert to fraction form
    2,940.47/4,409.14 = 1,296.23/x
  3. Step 3: Cross multiply
    2,940.47x = 4,409.14 × 1,296.23
  4. Step 4: Simplify right side
    2,940.47x = 5,715,259.54
  5. Step 5: Solve for x
    x = 5,715,259.54/2,940.47
  6. Step 6: Final answer
    x = 1,943.66

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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.