Home / 2,996.70-4,134.31-1,817.34

Finding the Fourth Proportional to 2,996.70, 4,134.31 and 1,817.34

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Solution

The fourth proportional to 2,996.70, 4,134.31 and 1,817.34 is: 2,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.70 : 4,134.31 = 1,817.34 : x
  2. Step 2: Convert to fraction form
    2,996.70/4,134.31 = 1,817.34/x
  3. Step 3: Cross multiply
    2,996.70x = 4,134.31 × 1,817.34
  4. Step 4: Simplify right side
    2,996.70x = 7,513,446.94
  5. Step 5: Solve for x
    x = 7,513,446.94/2,996.70
  6. Step 6: Final answer
    x = 2,507.24

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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.