Home / 2,674.35-4,013.28-942.96

Finding the Fourth Proportional to 2,674.35, 4,013.28 and 942.96

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Solution

The fourth proportional to 2,674.35, 4,013.28 and 942.96 is: 1,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.35 : 4,013.28 = 942.96 : x
  2. Step 2: Convert to fraction form
    2,674.35/4,013.28 = 942.96/x
  3. Step 3: Cross multiply
    2,674.35x = 4,013.28 × 942.96
  4. Step 4: Simplify right side
    2,674.35x = 3,784,362.51
  5. Step 5: Solve for x
    x = 3,784,362.51/2,674.35
  6. Step 6: Final answer
    x = 1,415.06

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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.