Home / 3,812.43-5,261.19-2,133.93

Finding the Fourth Proportional to 3,812.43, 5,261.19 and 2,133.93

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Solution

The fourth proportional to 3,812.43, 5,261.19 and 2,133.93 is: 2,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.43 : 5,261.19 = 2,133.93 : x
  2. Step 2: Convert to fraction form
    3,812.43/5,261.19 = 2,133.93/x
  3. Step 3: Cross multiply
    3,812.43x = 5,261.19 × 2,133.93
  4. Step 4: Simplify right side
    3,812.43x = 11,227,011.18
  5. Step 5: Solve for x
    x = 11,227,011.18/3,812.43
  6. Step 6: Final answer
    x = 2,944.84

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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.