Home / 3,693.04-5,096.40-2,120.56

Finding the Fourth Proportional to 3,693.04, 5,096.40 and 2,120.56

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Solution

The fourth proportional to 3,693.04, 5,096.40 and 2,120.56 is: 2,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.04 : 5,096.40 = 2,120.56 : x
  2. Step 2: Convert to fraction form
    3,693.04/5,096.40 = 2,120.56/x
  3. Step 3: Cross multiply
    3,693.04x = 5,096.40 × 2,120.56
  4. Step 4: Simplify right side
    3,693.04x = 10,807,221.98
  5. Step 5: Solve for x
    x = 10,807,221.98/3,693.04
  6. Step 6: Final answer
    x = 2,926.38

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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.