Home / 1,372.74-2,057.67-1,049.46

Finding the Fourth Proportional to 1,372.74, 2,057.67 and 1,049.46

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Solution

The fourth proportional to 1,372.74, 2,057.67 and 1,049.46 is: 1,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.74 : 2,057.67 = 1,049.46 : x
  2. Step 2: Convert to fraction form
    1,372.74/2,057.67 = 1,049.46/x
  3. Step 3: Cross multiply
    1,372.74x = 2,057.67 × 1,049.46
  4. Step 4: Simplify right side
    1,372.74x = 2,159,442.36
  5. Step 5: Solve for x
    x = 2,159,442.36/1,372.74
  6. Step 6: Final answer
    x = 1,573.09

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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.