Home / 5,724.15-8,582.75-2,760.77

Finding the Fourth Proportional to 5,724.15, 8,582.75 and 2,760.77

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Solution

The fourth proportional to 5,724.15, 8,582.75 and 2,760.77 is: 4,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.15 : 8,582.75 = 2,760.77 : x
  2. Step 2: Convert to fraction form
    5,724.15/8,582.75 = 2,760.77/x
  3. Step 3: Cross multiply
    5,724.15x = 8,582.75 × 2,760.77
  4. Step 4: Simplify right side
    5,724.15x = 23,694,962.71
  5. Step 5: Solve for x
    x = 23,694,962.71/5,724.15
  6. Step 6: Final answer
    x = 4,139.47

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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.