Home / 2,610.10-3,909.68-1,513.87

Finding the Fourth Proportional to 2,610.10, 3,909.68 and 1,513.87

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Solution

The fourth proportional to 2,610.10, 3,909.68 and 1,513.87 is: 2,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.10 : 3,909.68 = 1,513.87 : x
  2. Step 2: Convert to fraction form
    2,610.10/3,909.68 = 1,513.87/x
  3. Step 3: Cross multiply
    2,610.10x = 3,909.68 × 1,513.87
  4. Step 4: Simplify right side
    2,610.10x = 5,918,729.92
  5. Step 5: Solve for x
    x = 5,918,729.92/2,610.10
  6. Step 6: Final answer
    x = 2,267.63

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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.