Home / 7,411.71-11,121.93-2,735.01

Finding the Fourth Proportional to 7,411.71, 11,121.93 and 2,735.01

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Solution

The fourth proportional to 7,411.71, 11,121.93 and 2,735.01 is: 4,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.71 : 11,121.93 = 2,735.01 : x
  2. Step 2: Convert to fraction form
    7,411.71/11,121.93 = 2,735.01/x
  3. Step 3: Cross multiply
    7,411.71x = 11,121.93 × 2,735.01
  4. Step 4: Simplify right side
    7,411.71x = 30,418,589.77
  5. Step 5: Solve for x
    x = 30,418,589.77/7,411.71
  6. Step 6: Final answer
    x = 4,104.13

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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.