Home / 5,722.56-8,576.10-3,639.24

Finding the Fourth Proportional to 5,722.56, 8,576.10 and 3,639.24

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Solution

The fourth proportional to 5,722.56, 8,576.10 and 3,639.24 is: 5,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.56 : 8,576.10 = 3,639.24 : x
  2. Step 2: Convert to fraction form
    5,722.56/8,576.10 = 3,639.24/x
  3. Step 3: Cross multiply
    5,722.56x = 8,576.10 × 3,639.24
  4. Step 4: Simplify right side
    5,722.56x = 31,210,486.16
  5. Step 5: Solve for x
    x = 31,210,486.16/5,722.56
  6. Step 6: Final answer
    x = 5,453.94

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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.