Home / 4,855.16-7,278.42-1,776.44

Finding the Fourth Proportional to 4,855.16, 7,278.42 and 1,776.44

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Solution

The fourth proportional to 4,855.16, 7,278.42 and 1,776.44 is: 2,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.16 : 7,278.42 = 1,776.44 : x
  2. Step 2: Convert to fraction form
    4,855.16/7,278.42 = 1,776.44/x
  3. Step 3: Cross multiply
    4,855.16x = 7,278.42 × 1,776.44
  4. Step 4: Simplify right side
    4,855.16x = 12,929,676.42
  5. Step 5: Solve for x
    x = 12,929,676.42/4,855.16
  6. Step 6: Final answer
    x = 2,663.08

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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.