Home / 5,177.14-7,765.80-1,714.48

Finding the Fourth Proportional to 5,177.14, 7,765.80 and 1,714.48

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Solution

The fourth proportional to 5,177.14, 7,765.80 and 1,714.48 is: 2,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.14 : 7,765.80 = 1,714.48 : x
  2. Step 2: Convert to fraction form
    5,177.14/7,765.80 = 1,714.48/x
  3. Step 3: Cross multiply
    5,177.14x = 7,765.80 × 1,714.48
  4. Step 4: Simplify right side
    5,177.14x = 13,314,308.78
  5. Step 5: Solve for x
    x = 13,314,308.78/5,177.14
  6. Step 6: Final answer
    x = 2,571.75

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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.