Home / 5,412.85-7,469.70-3,022.69

Finding the Fourth Proportional to 5,412.85, 7,469.70 and 3,022.69

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Solution

The fourth proportional to 5,412.85, 7,469.70 and 3,022.69 is: 4,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.85 : 7,469.70 = 3,022.69 : x
  2. Step 2: Convert to fraction form
    5,412.85/7,469.70 = 3,022.69/x
  3. Step 3: Cross multiply
    5,412.85x = 7,469.70 × 3,022.69
  4. Step 4: Simplify right side
    5,412.85x = 22,578,587.49
  5. Step 5: Solve for x
    x = 22,578,587.49/5,412.85
  6. Step 6: Final answer
    x = 4,171.29

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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.