Home / 5,513.60-8,246.40-4,932.80

Finding the Fourth Proportional to 5,513.60, 8,246.40 and 4,932.80

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Solution

The fourth proportional to 5,513.60, 8,246.40 and 4,932.80 is: 7,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.60 : 8,246.40 = 4,932.80 : x
  2. Step 2: Convert to fraction form
    5,513.60/8,246.40 = 4,932.80/x
  3. Step 3: Cross multiply
    5,513.60x = 8,246.40 × 4,932.80
  4. Step 4: Simplify right side
    5,513.60x = 40,677,841.92
  5. Step 5: Solve for x
    x = 40,677,841.92/5,513.60
  6. Step 6: Final answer
    x = 7,377.73

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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.