Home / 5,052.78-7,580.01-2,279.38

Finding the Fourth Proportional to 5,052.78, 7,580.01 and 2,279.38

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Solution

The fourth proportional to 5,052.78, 7,580.01 and 2,279.38 is: 3,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.78 : 7,580.01 = 2,279.38 : x
  2. Step 2: Convert to fraction form
    5,052.78/7,580.01 = 2,279.38/x
  3. Step 3: Cross multiply
    5,052.78x = 7,580.01 × 2,279.38
  4. Step 4: Simplify right side
    5,052.78x = 17,277,723.19
  5. Step 5: Solve for x
    x = 17,277,723.19/5,052.78
  6. Step 6: Final answer
    x = 3,419.45

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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.