Home / 3,160.96-4,362.07-1,744.79

Finding the Fourth Proportional to 3,160.96, 4,362.07 and 1,744.79

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Solution

The fourth proportional to 3,160.96, 4,362.07 and 1,744.79 is: 2,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.96 : 4,362.07 = 1,744.79 : x
  2. Step 2: Convert to fraction form
    3,160.96/4,362.07 = 1,744.79/x
  3. Step 3: Cross multiply
    3,160.96x = 4,362.07 × 1,744.79
  4. Step 4: Simplify right side
    3,160.96x = 7,610,896.12
  5. Step 5: Solve for x
    x = 7,610,896.12/3,160.96
  6. Step 6: Final answer
    x = 2,407.78

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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.