Home / 7,349.48-10,142.24-3,992.27

Finding the Fourth Proportional to 7,349.48, 10,142.24 and 3,992.27

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Solution

The fourth proportional to 7,349.48, 10,142.24 and 3,992.27 is: 5,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.48 : 10,142.24 = 3,992.27 : x
  2. Step 2: Convert to fraction form
    7,349.48/10,142.24 = 3,992.27/x
  3. Step 3: Cross multiply
    7,349.48x = 10,142.24 × 3,992.27
  4. Step 4: Simplify right side
    7,349.48x = 40,490,519.75
  5. Step 5: Solve for x
    x = 40,490,519.75/7,349.48
  6. Step 6: Final answer
    x = 5,509.31

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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.