Home / 5,264.49-7,262.48-3,138.79

Finding the Fourth Proportional to 5,264.49, 7,262.48 and 3,138.79

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Solution

The fourth proportional to 5,264.49, 7,262.48 and 3,138.79 is: 4,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.49 : 7,262.48 = 3,138.79 : x
  2. Step 2: Convert to fraction form
    5,264.49/7,262.48 = 3,138.79/x
  3. Step 3: Cross multiply
    5,264.49x = 7,262.48 × 3,138.79
  4. Step 4: Simplify right side
    5,264.49x = 22,795,399.60
  5. Step 5: Solve for x
    x = 22,795,399.60/5,264.49
  6. Step 6: Final answer
    x = 4,330.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.