Home / 5,749.89-7,936.24-3,513.65

Finding the Fourth Proportional to 5,749.89, 7,936.24 and 3,513.65

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Solution

The fourth proportional to 5,749.89, 7,936.24 and 3,513.65 is: 4,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.89 : 7,936.24 = 3,513.65 : x
  2. Step 2: Convert to fraction form
    5,749.89/7,936.24 = 3,513.65/x
  3. Step 3: Cross multiply
    5,749.89x = 7,936.24 × 3,513.65
  4. Step 4: Simplify right side
    5,749.89x = 27,885,129.99
  5. Step 5: Solve for x
    x = 27,885,129.99/5,749.89
  6. Step 6: Final answer
    x = 4,849.68

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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.