Home / 5,576.24-8,359.40-2,115.92

Finding the Fourth Proportional to 5,576.24, 8,359.40 and 2,115.92

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Solution

The fourth proportional to 5,576.24, 8,359.40 and 2,115.92 is: 3,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.24 : 8,359.40 = 2,115.92 : x
  2. Step 2: Convert to fraction form
    5,576.24/8,359.40 = 2,115.92/x
  3. Step 3: Cross multiply
    5,576.24x = 8,359.40 × 2,115.92
  4. Step 4: Simplify right side
    5,576.24x = 17,687,847.84
  5. Step 5: Solve for x
    x = 17,687,847.84/5,576.24
  6. Step 6: Final answer
    x = 3,172.00

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1.5x scale

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.