Home / 5,232.70-7,851.78-2,113.48

Finding the Fourth Proportional to 5,232.70, 7,851.78 and 2,113.48

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Solution

The fourth proportional to 5,232.70, 7,851.78 and 2,113.48 is: 3,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.70 : 7,851.78 = 2,113.48 : x
  2. Step 2: Convert to fraction form
    5,232.70/7,851.78 = 2,113.48/x
  3. Step 3: Cross multiply
    5,232.70x = 7,851.78 × 2,113.48
  4. Step 4: Simplify right side
    5,232.70x = 16,594,579.99
  5. Step 5: Solve for x
    x = 16,594,579.99/5,232.70
  6. Step 6: Final answer
    x = 3,171.32

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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.