Home / 2,505.24-3,757.67-1,118.70

Finding the Fourth Proportional to 2,505.24, 3,757.67 and 1,118.70

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Solution

The fourth proportional to 2,505.24, 3,757.67 and 1,118.70 is: 1,677.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.24 : 3,757.67 = 1,118.70 : x
  2. Step 2: Convert to fraction form
    2,505.24/3,757.67 = 1,118.70/x
  3. Step 3: Cross multiply
    2,505.24x = 3,757.67 × 1,118.70
  4. Step 4: Simplify right side
    2,505.24x = 4,203,686.64
  5. Step 5: Solve for x
    x = 4,203,686.64/2,505.24
  6. Step 6: Final answer
    x = 1,677.96

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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.