Home / 4,530.08-6,249.36-2,871.20

Finding the Fourth Proportional to 4,530.08, 6,249.36 and 2,871.20

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Solution

The fourth proportional to 4,530.08, 6,249.36 and 2,871.20 is: 3,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,530.08 : 6,249.36 = 2,871.20 : x
  2. Step 2: Convert to fraction form
    4,530.08/6,249.36 = 2,871.20/x
  3. Step 3: Cross multiply
    4,530.08x = 6,249.36 × 2,871.20
  4. Step 4: Simplify right side
    4,530.08x = 17,943,162.43
  5. Step 5: Solve for x
    x = 17,943,162.43/4,530.08
  6. Step 6: Final answer
    x = 3,960.89

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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.