Home / 5,174.48-7,141.77-2,936.57

Finding the Fourth Proportional to 5,174.48, 7,141.77 and 2,936.57

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Solution

The fourth proportional to 5,174.48, 7,141.77 and 2,936.57 is: 4,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.48 : 7,141.77 = 2,936.57 : x
  2. Step 2: Convert to fraction form
    5,174.48/7,141.77 = 2,936.57/x
  3. Step 3: Cross multiply
    5,174.48x = 7,141.77 × 2,936.57
  4. Step 4: Simplify right side
    5,174.48x = 20,972,281.86
  5. Step 5: Solve for x
    x = 20,972,281.86/5,174.48
  6. Step 6: Final answer
    x = 4,053.02

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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.