Home / 4,254.12-6,381.30-1,176.12

Finding the Fourth Proportional to 4,254.12, 6,381.30 and 1,176.12

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Solution

The fourth proportional to 4,254.12, 6,381.30 and 1,176.12 is: 1,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.12 : 6,381.30 = 1,176.12 : x
  2. Step 2: Convert to fraction form
    4,254.12/6,381.30 = 1,176.12/x
  3. Step 3: Cross multiply
    4,254.12x = 6,381.30 × 1,176.12
  4. Step 4: Simplify right side
    4,254.12x = 7,505,174.56
  5. Step 5: Solve for x
    x = 7,505,174.56/4,254.12
  6. Step 6: Final answer
    x = 1,764.21

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1.5x scale

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.