Home / 2,784.23-4,176.64-935.27

Finding the Fourth Proportional to 2,784.23, 4,176.64 and 935.27

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Solution

The fourth proportional to 2,784.23, 4,176.64 and 935.27 is: 1,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.23 : 4,176.64 = 935.27 : x
  2. Step 2: Convert to fraction form
    2,784.23/4,176.64 = 935.27/x
  3. Step 3: Cross multiply
    2,784.23x = 4,176.64 × 935.27
  4. Step 4: Simplify right side
    2,784.23x = 3,906,262.87
  5. Step 5: Solve for x
    x = 3,906,262.87/2,784.23
  6. Step 6: Final answer
    x = 1,403.00

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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.