Home / 5,676.16-8,513.52-2,215.84

Finding the Fourth Proportional to 5,676.16, 8,513.52 and 2,215.84

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Solution

The fourth proportional to 5,676.16, 8,513.52 and 2,215.84 is: 3,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.16 : 8,513.52 = 2,215.84 : x
  2. Step 2: Convert to fraction form
    5,676.16/8,513.52 = 2,215.84/x
  3. Step 3: Cross multiply
    5,676.16x = 8,513.52 × 2,215.84
  4. Step 4: Simplify right side
    5,676.16x = 18,864,598.16
  5. Step 5: Solve for x
    x = 18,864,598.16/5,676.16
  6. Step 6: Final answer
    x = 3,323.48

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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.