Home / 2,636.24-3,956.62-1,077.10

Finding the Fourth Proportional to 2,636.24, 3,956.62 and 1,077.10

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Solution

The fourth proportional to 2,636.24, 3,956.62 and 1,077.10 is: 1,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.24 : 3,956.62 = 1,077.10 : x
  2. Step 2: Convert to fraction form
    2,636.24/3,956.62 = 1,077.10/x
  3. Step 3: Cross multiply
    2,636.24x = 3,956.62 × 1,077.10
  4. Step 4: Simplify right side
    2,636.24x = 4,261,675.40
  5. Step 5: Solve for x
    x = 4,261,675.40/2,636.24
  6. Step 6: Final answer
    x = 1,616.57

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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.