Home / 5,770.80-8,656.92-1,874.34

Finding the Fourth Proportional to 5,770.80, 8,656.92 and 1,874.34

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Solution

The fourth proportional to 5,770.80, 8,656.92 and 1,874.34 is: 2,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.80 : 8,656.92 = 1,874.34 : x
  2. Step 2: Convert to fraction form
    5,770.80/8,656.92 = 1,874.34/x
  3. Step 3: Cross multiply
    5,770.80x = 8,656.92 × 1,874.34
  4. Step 4: Simplify right side
    5,770.80x = 16,226,011.43
  5. Step 5: Solve for x
    x = 16,226,011.43/5,770.80
  6. Step 6: Final answer
    x = 2,811.74

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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.