Home / 5,612.63-8,414.48-2,799.92

Finding the Fourth Proportional to 5,612.63, 8,414.48 and 2,799.92

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Solution

The fourth proportional to 5,612.63, 8,414.48 and 2,799.92 is: 4,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.63 : 8,414.48 = 2,799.92 : x
  2. Step 2: Convert to fraction form
    5,612.63/8,414.48 = 2,799.92/x
  3. Step 3: Cross multiply
    5,612.63x = 8,414.48 × 2,799.92
  4. Step 4: Simplify right side
    5,612.63x = 23,559,898.88
  5. Step 5: Solve for x
    x = 23,559,898.88/5,612.63
  6. Step 6: Final answer
    x = 4,197.66

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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.