Home / 3,174.88-4,381.26-1,758.48

Finding the Fourth Proportional to 3,174.88, 4,381.26 and 1,758.48

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Solution

The fourth proportional to 3,174.88, 4,381.26 and 1,758.48 is: 2,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.88 : 4,381.26 = 1,758.48 : x
  2. Step 2: Convert to fraction form
    3,174.88/4,381.26 = 1,758.48/x
  3. Step 3: Cross multiply
    3,174.88x = 4,381.26 × 1,758.48
  4. Step 4: Simplify right side
    3,174.88x = 7,704,335.06
  5. Step 5: Solve for x
    x = 7,704,335.06/3,174.88
  6. Step 6: Final answer
    x = 2,426.65

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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.