Home / 2,313.32-3,468-1,580.72

Finding the Fourth Proportional to 2,313.32, 3,468 and 1,580.72

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Solution

The fourth proportional to 2,313.32, 3,468 and 1,580.72 is: 2,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.32 : 3,468 = 1,580.72 : x
  2. Step 2: Convert to fraction form
    2,313.32/3,468 = 1,580.72/x
  3. Step 3: Cross multiply
    2,313.32x = 3,468 × 1,580.72
  4. Step 4: Simplify right side
    2,313.32x = 5,481,936.96
  5. Step 5: Solve for x
    x = 5,481,936.96/2,313.32
  6. Step 6: Final answer
    x = 2,369.73

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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.