Home / 3,174.83-4,381.26-1,777.58

Finding the Fourth Proportional to 3,174.83, 4,381.26 and 1,777.58

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Solution

The fourth proportional to 3,174.83, 4,381.26 and 1,777.58 is: 2,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.83 : 4,381.26 = 1,777.58 : x
  2. Step 2: Convert to fraction form
    3,174.83/4,381.26 = 1,777.58/x
  3. Step 3: Cross multiply
    3,174.83x = 4,381.26 × 1,777.58
  4. Step 4: Simplify right side
    3,174.83x = 7,788,040.15
  5. Step 5: Solve for x
    x = 7,788,040.15/3,174.83
  6. Step 6: Final answer
    x = 2,453.06

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1.5x scale

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.