Home / 2,775.24-4,160.30-1,042.68

Finding the Fourth Proportional to 2,775.24, 4,160.30 and 1,042.68

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Solution

The fourth proportional to 2,775.24, 4,160.30 and 1,042.68 is: 1,563.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.24 : 4,160.30 = 1,042.68 : x
  2. Step 2: Convert to fraction form
    2,775.24/4,160.30 = 1,042.68/x
  3. Step 3: Cross multiply
    2,775.24x = 4,160.30 × 1,042.68
  4. Step 4: Simplify right side
    2,775.24x = 4,337,861.60
  5. Step 5: Solve for x
    x = 4,337,861.60/2,775.24
  6. Step 6: Final answer
    x = 1,563.06

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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.