Home / 3,174.62-4,381.14-1,758.30

Finding the Fourth Proportional to 3,174.62, 4,381.14 and 1,758.30

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Solution

The fourth proportional to 3,174.62, 4,381.14 and 1,758.30 is: 2,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.62 : 4,381.14 = 1,758.30 : x
  2. Step 2: Convert to fraction form
    3,174.62/4,381.14 = 1,758.30/x
  3. Step 3: Cross multiply
    3,174.62x = 4,381.14 × 1,758.30
  4. Step 4: Simplify right side
    3,174.62x = 7,703,358.46
  5. Step 5: Solve for x
    x = 7,703,358.46/3,174.62
  6. Step 6: Final answer
    x = 2,426.55

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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.