Home / 3,935.19-5,433.69-3,049.45

Finding the Fourth Proportional to 3,935.19, 5,433.69 and 3,049.45

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Solution

The fourth proportional to 3,935.19, 5,433.69 and 3,049.45 is: 4,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.19 : 5,433.69 = 3,049.45 : x
  2. Step 2: Convert to fraction form
    3,935.19/5,433.69 = 3,049.45/x
  3. Step 3: Cross multiply
    3,935.19x = 5,433.69 × 3,049.45
  4. Step 4: Simplify right side
    3,935.19x = 16,569,765.97
  5. Step 5: Solve for x
    x = 16,569,765.97/3,935.19
  6. Step 6: Final answer
    x = 4,210.66

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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.