Home / 5,402.97-7,456.77-3,165.70

Finding the Fourth Proportional to 5,402.97, 7,456.77 and 3,165.70

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Solution

The fourth proportional to 5,402.97, 7,456.77 and 3,165.70 is: 4,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.97 : 7,456.77 = 3,165.70 : x
  2. Step 2: Convert to fraction form
    5,402.97/7,456.77 = 3,165.70/x
  3. Step 3: Cross multiply
    5,402.97x = 7,456.77 × 3,165.70
  4. Step 4: Simplify right side
    5,402.97x = 23,605,896.79
  5. Step 5: Solve for x
    x = 23,605,896.79/5,402.97
  6. Step 6: Final answer
    x = 4,369.06

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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.