Home / 2,356.09-3,253.77-1,940.56

Finding the Fourth Proportional to 2,356.09, 3,253.77 and 1,940.56

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Solution

The fourth proportional to 2,356.09, 3,253.77 and 1,940.56 is: 2,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.09 : 3,253.77 = 1,940.56 : x
  2. Step 2: Convert to fraction form
    2,356.09/3,253.77 = 1,940.56/x
  3. Step 3: Cross multiply
    2,356.09x = 3,253.77 × 1,940.56
  4. Step 4: Simplify right side
    2,356.09x = 6,314,127.78
  5. Step 5: Solve for x
    x = 6,314,127.78/2,356.09
  6. Step 6: Final answer
    x = 2,679.92

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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.