Home / 4,577.20-6,868.10-1,805.86

Finding the Fourth Proportional to 4,577.20, 6,868.10 and 1,805.86

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Solution

The fourth proportional to 4,577.20, 6,868.10 and 1,805.86 is: 2,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.20 : 6,868.10 = 1,805.86 : x
  2. Step 2: Convert to fraction form
    4,577.20/6,868.10 = 1,805.86/x
  3. Step 3: Cross multiply
    4,577.20x = 6,868.10 × 1,805.86
  4. Step 4: Simplify right side
    4,577.20x = 12,402,800.87
  5. Step 5: Solve for x
    x = 12,402,800.87/4,577.20
  6. Step 6: Final answer
    x = 2,709.69

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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.