Home / 4,640.82-6,401.07-2,960.46

Finding the Fourth Proportional to 4,640.82, 6,401.07 and 2,960.46

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Solution

The fourth proportional to 4,640.82, 6,401.07 and 2,960.46 is: 4,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.82 : 6,401.07 = 2,960.46 : x
  2. Step 2: Convert to fraction form
    4,640.82/6,401.07 = 2,960.46/x
  3. Step 3: Cross multiply
    4,640.82x = 6,401.07 × 2,960.46
  4. Step 4: Simplify right side
    4,640.82x = 18,950,111.69
  5. Step 5: Solve for x
    x = 18,950,111.69/4,640.82
  6. Step 6: Final answer
    x = 4,083.35

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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.