Home / 2,822.07-4,234.32-1,178.94

Finding the Fourth Proportional to 2,822.07, 4,234.32 and 1,178.94

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Solution

The fourth proportional to 2,822.07, 4,234.32 and 1,178.94 is: 1,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.07 : 4,234.32 = 1,178.94 : x
  2. Step 2: Convert to fraction form
    2,822.07/4,234.32 = 1,178.94/x
  3. Step 3: Cross multiply
    2,822.07x = 4,234.32 × 1,178.94
  4. Step 4: Simplify right side
    2,822.07x = 4,992,009.22
  5. Step 5: Solve for x
    x = 4,992,009.22/2,822.07
  6. Step 6: Final answer
    x = 1,768.92

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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.