Home / 4,242.72-5,816.31-4,174.68

Finding the Fourth Proportional to 4,242.72, 5,816.31 and 4,174.68

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Solution

The fourth proportional to 4,242.72, 5,816.31 and 4,174.68 is: 5,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.72 : 5,816.31 = 4,174.68 : x
  2. Step 2: Convert to fraction form
    4,242.72/5,816.31 = 4,174.68/x
  3. Step 3: Cross multiply
    4,242.72x = 5,816.31 × 4,174.68
  4. Step 4: Simplify right side
    4,242.72x = 24,281,233.03
  5. Step 5: Solve for x
    x = 24,281,233.03/4,242.72
  6. Step 6: Final answer
    x = 5,723.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.