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Finding the Fourth Proportional to 3,759.81, 5,186.81 and 2,433.93

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Solution

The fourth proportional to 3,759.81, 5,186.81 and 2,433.93 is: 3,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.81 : 5,186.81 = 2,433.93 : x
  2. Step 2: Convert to fraction form
    3,759.81/5,186.81 = 2,433.93/x
  3. Step 3: Cross multiply
    3,759.81x = 5,186.81 × 2,433.93
  4. Step 4: Simplify right side
    3,759.81x = 12,624,320.29
  5. Step 5: Solve for x
    x = 12,624,320.29/3,759.81
  6. Step 6: Final answer
    x = 3,357.70

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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.