Home / 5,715.66-8,576.73-2,428.41

Finding the Fourth Proportional to 5,715.66, 8,576.73 and 2,428.41

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Solution

The fourth proportional to 5,715.66, 8,576.73 and 2,428.41 is: 3,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.66 : 8,576.73 = 2,428.41 : x
  2. Step 2: Convert to fraction form
    5,715.66/8,576.73 = 2,428.41/x
  3. Step 3: Cross multiply
    5,715.66x = 8,576.73 × 2,428.41
  4. Step 4: Simplify right side
    5,715.66x = 20,827,816.90
  5. Step 5: Solve for x
    x = 20,827,816.90/5,715.66
  6. Step 6: Final answer
    x = 3,643.99

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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.