Home / 2,687.24-4,026-2,406.98

Finding the Fourth Proportional to 2,687.24, 4,026 and 2,406.98

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Solution

The fourth proportional to 2,687.24, 4,026 and 2,406.98 is: 3,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.24 : 4,026 = 2,406.98 : x
  2. Step 2: Convert to fraction form
    2,687.24/4,026 = 2,406.98/x
  3. Step 3: Cross multiply
    2,687.24x = 4,026 × 2,406.98
  4. Step 4: Simplify right side
    2,687.24x = 9,690,501.48
  5. Step 5: Solve for x
    x = 9,690,501.48/2,687.24
  6. Step 6: Final answer
    x = 3,606.12

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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.