Home / 2,576.16-3,842.37-2,188.98

Finding the Fourth Proportional to 2,576.16, 3,842.37 and 2,188.98

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Solution

The fourth proportional to 2,576.16, 3,842.37 and 2,188.98 is: 3,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.16 : 3,842.37 = 2,188.98 : x
  2. Step 2: Convert to fraction form
    2,576.16/3,842.37 = 2,188.98/x
  3. Step 3: Cross multiply
    2,576.16x = 3,842.37 × 2,188.98
  4. Step 4: Simplify right side
    2,576.16x = 8,410,871.08
  5. Step 5: Solve for x
    x = 8,410,871.08/2,576.16
  6. Step 6: Final answer
    x = 3,264.89

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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.