Home / 2,576.41-3,848.93-1,644.55

Finding the Fourth Proportional to 2,576.41, 3,848.93 and 1,644.55

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Solution

The fourth proportional to 2,576.41, 3,848.93 and 1,644.55 is: 2,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.41 : 3,848.93 = 1,644.55 : x
  2. Step 2: Convert to fraction form
    2,576.41/3,848.93 = 1,644.55/x
  3. Step 3: Cross multiply
    2,576.41x = 3,848.93 × 1,644.55
  4. Step 4: Simplify right side
    2,576.41x = 6,329,757.83
  5. Step 5: Solve for x
    x = 6,329,757.83/2,576.41
  6. Step 6: Final answer
    x = 2,456.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.