Home / 7,551.33-11,322.51-2,871.68

Finding the Fourth Proportional to 7,551.33, 11,322.51 and 2,871.68

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Solution

The fourth proportional to 7,551.33, 11,322.51 and 2,871.68 is: 4,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.33 : 11,322.51 = 2,871.68 : x
  2. Step 2: Convert to fraction form
    7,551.33/11,322.51 = 2,871.68/x
  3. Step 3: Cross multiply
    7,551.33x = 11,322.51 × 2,871.68
  4. Step 4: Simplify right side
    7,551.33x = 32,514,625.52
  5. Step 5: Solve for x
    x = 32,514,625.52/7,551.33
  6. Step 6: Final answer
    x = 4,305.81

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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.