Home / 5,531.80-7,633.80-3,174.04

Finding the Fourth Proportional to 5,531.80, 7,633.80 and 3,174.04

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Solution

The fourth proportional to 5,531.80, 7,633.80 and 3,174.04 is: 4,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.80 : 7,633.80 = 3,174.04 : x
  2. Step 2: Convert to fraction form
    5,531.80/7,633.80 = 3,174.04/x
  3. Step 3: Cross multiply
    5,531.80x = 7,633.80 × 3,174.04
  4. Step 4: Simplify right side
    5,531.80x = 24,229,986.55
  5. Step 5: Solve for x
    x = 24,229,986.55/5,531.80
  6. Step 6: Final answer
    x = 4,380.13

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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.