Home / 5,174.67-7,140.10-2,936.64

Finding the Fourth Proportional to 5,174.67, 7,140.10 and 2,936.64

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Solution

The fourth proportional to 5,174.67, 7,140.10 and 2,936.64 is: 4,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.67 : 7,140.10 = 2,936.64 : x
  2. Step 2: Convert to fraction form
    5,174.67/7,140.10 = 2,936.64/x
  3. Step 3: Cross multiply
    5,174.67x = 7,140.10 × 2,936.64
  4. Step 4: Simplify right side
    5,174.67x = 20,967,903.26
  5. Step 5: Solve for x
    x = 20,967,903.26/5,174.67
  6. Step 6: Final answer
    x = 4,052.03

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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.