Home / 7,372.53-10,174.30-4,185.75

Finding the Fourth Proportional to 7,372.53, 10,174.30 and 4,185.75

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Solution

The fourth proportional to 7,372.53, 10,174.30 and 4,185.75 is: 5,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.53 : 10,174.30 = 4,185.75 : x
  2. Step 2: Convert to fraction form
    7,372.53/10,174.30 = 4,185.75/x
  3. Step 3: Cross multiply
    7,372.53x = 10,174.30 × 4,185.75
  4. Step 4: Simplify right side
    7,372.53x = 42,587,103.91
  5. Step 5: Solve for x
    x = 42,587,103.91/7,372.53
  6. Step 6: Final answer
    x = 5,776.46

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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.