Home / 5,167.96-7,133.42-2,931.33

Finding the Fourth Proportional to 5,167.96, 7,133.42 and 2,931.33

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Solution

The fourth proportional to 5,167.96, 7,133.42 and 2,931.33 is: 4,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.96 : 7,133.42 = 2,931.33 : x
  2. Step 2: Convert to fraction form
    5,167.96/7,133.42 = 2,931.33/x
  3. Step 3: Cross multiply
    5,167.96x = 7,133.42 × 2,931.33
  4. Step 4: Simplify right side
    5,167.96x = 20,910,408.05
  5. Step 5: Solve for x
    x = 20,910,408.05/5,167.96
  6. Step 6: Final answer
    x = 4,046.16

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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.