Home / 2,576.17-3,558.01-1,993.78

Finding the Fourth Proportional to 2,576.17, 3,558.01 and 1,993.78

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Solution

The fourth proportional to 2,576.17, 3,558.01 and 1,993.78 is: 2,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.17 : 3,558.01 = 1,993.78 : x
  2. Step 2: Convert to fraction form
    2,576.17/3,558.01 = 1,993.78/x
  3. Step 3: Cross multiply
    2,576.17x = 3,558.01 × 1,993.78
  4. Step 4: Simplify right side
    2,576.17x = 7,093,871.39
  5. Step 5: Solve for x
    x = 7,093,871.39/2,576.17
  6. Step 6: Final answer
    x = 2,753.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.