Home / 7,371.40-11,055.42-2,176.04

Finding the Fourth Proportional to 7,371.40, 11,055.42 and 2,176.04

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Solution

The fourth proportional to 7,371.40, 11,055.42 and 2,176.04 is: 3,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.40 : 11,055.42 = 2,176.04 : x
  2. Step 2: Convert to fraction form
    7,371.40/11,055.42 = 2,176.04/x
  3. Step 3: Cross multiply
    7,371.40x = 11,055.42 × 2,176.04
  4. Step 4: Simplify right side
    7,371.40x = 24,057,036.14
  5. Step 5: Solve for x
    x = 24,057,036.14/7,371.40
  6. Step 6: Final answer
    x = 3,263.56

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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.