Home / 7,718.37-11,575.73-3,036.38

Finding the Fourth Proportional to 7,718.37, 11,575.73 and 3,036.38

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Solution

The fourth proportional to 7,718.37, 11,575.73 and 3,036.38 is: 4,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.37 : 11,575.73 = 3,036.38 : x
  2. Step 2: Convert to fraction form
    7,718.37/11,575.73 = 3,036.38/x
  3. Step 3: Cross multiply
    7,718.37x = 11,575.73 × 3,036.38
  4. Step 4: Simplify right side
    7,718.37x = 35,148,242.00
  5. Step 5: Solve for x
    x = 35,148,242.00/7,718.37
  6. Step 6: Final answer
    x = 4,553.84

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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.