Home / 5,169.51-7,750.42-2,574.27

Finding the Fourth Proportional to 5,169.51, 7,750.42 and 2,574.27

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Solution

The fourth proportional to 5,169.51, 7,750.42 and 2,574.27 is: 3,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.51 : 7,750.42 = 2,574.27 : x
  2. Step 2: Convert to fraction form
    5,169.51/7,750.42 = 2,574.27/x
  3. Step 3: Cross multiply
    5,169.51x = 7,750.42 × 2,574.27
  4. Step 4: Simplify right side
    5,169.51x = 19,951,667.26
  5. Step 5: Solve for x
    x = 19,951,667.26/5,169.51
  6. Step 6: Final answer
    x = 3,859.49

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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.