Home / 3,425.51-5,133.83-1,667.11

Finding the Fourth Proportional to 3,425.51, 5,133.83 and 1,667.11

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Solution

The fourth proportional to 3,425.51, 5,133.83 and 1,667.11 is: 2,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.51 : 5,133.83 = 1,667.11 : x
  2. Step 2: Convert to fraction form
    3,425.51/5,133.83 = 1,667.11/x
  3. Step 3: Cross multiply
    3,425.51x = 5,133.83 × 1,667.11
  4. Step 4: Simplify right side
    3,425.51x = 8,558,633.66
  5. Step 5: Solve for x
    x = 8,558,633.66/3,425.51
  6. Step 6: Final answer
    x = 2,498.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.