Home / 5,828.31-8,736.54-2,320.80

Finding the Fourth Proportional to 5,828.31, 8,736.54 and 2,320.80

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Solution

The fourth proportional to 5,828.31, 8,736.54 and 2,320.80 is: 3,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.31 : 8,736.54 = 2,320.80 : x
  2. Step 2: Convert to fraction form
    5,828.31/8,736.54 = 2,320.80/x
  3. Step 3: Cross multiply
    5,828.31x = 8,736.54 × 2,320.80
  4. Step 4: Simplify right side
    5,828.31x = 20,275,762.03
  5. Step 5: Solve for x
    x = 20,275,762.03/5,828.31
  6. Step 6: Final answer
    x = 3,478.84

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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.