Home / 5,165.04-7,125.42-3,174.87

Finding the Fourth Proportional to 5,165.04, 7,125.42 and 3,174.87

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Solution

The fourth proportional to 5,165.04, 7,125.42 and 3,174.87 is: 4,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.04 : 7,125.42 = 3,174.87 : x
  2. Step 2: Convert to fraction form
    5,165.04/7,125.42 = 3,174.87/x
  3. Step 3: Cross multiply
    5,165.04x = 7,125.42 × 3,174.87
  4. Step 4: Simplify right side
    5,165.04x = 22,622,282.20
  5. Step 5: Solve for x
    x = 22,622,282.20/5,165.04
  6. Step 6: Final answer
    x = 4,379.89

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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.