Home / 3,851.12-5,776.68-1,541

Finding the Fourth Proportional to 3,851.12, 5,776.68 and 1,541

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Solution

The fourth proportional to 3,851.12, 5,776.68 and 1,541 is: 2,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.12 : 5,776.68 = 1,541 : x
  2. Step 2: Convert to fraction form
    3,851.12/5,776.68 = 1,541/x
  3. Step 3: Cross multiply
    3,851.12x = 5,776.68 × 1,541
  4. Step 4: Simplify right side
    3,851.12x = 8,901,863.88
  5. Step 5: Solve for x
    x = 8,901,863.88/3,851.12
  6. Step 6: Final answer
    x = 2,311.50

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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.