Home / 3,933.65-5,428.18-2,141.11

Finding the Fourth Proportional to 3,933.65, 5,428.18 and 2,141.11

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Solution

The fourth proportional to 3,933.65, 5,428.18 and 2,141.11 is: 2,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.65 : 5,428.18 = 2,141.11 : x
  2. Step 2: Convert to fraction form
    3,933.65/5,428.18 = 2,141.11/x
  3. Step 3: Cross multiply
    3,933.65x = 5,428.18 × 2,141.11
  4. Step 4: Simplify right side
    3,933.65x = 11,622,330.48
  5. Step 5: Solve for x
    x = 11,622,330.48/3,933.65
  6. Step 6: Final answer
    x = 2,954.59

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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.