Home / 5,891.04-8,823.12-2,815.20

Finding the Fourth Proportional to 5,891.04, 8,823.12 and 2,815.20

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Solution

The fourth proportional to 5,891.04, 8,823.12 and 2,815.20 is: 4,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.04 : 8,823.12 = 2,815.20 : x
  2. Step 2: Convert to fraction form
    5,891.04/8,823.12 = 2,815.20/x
  3. Step 3: Cross multiply
    5,891.04x = 8,823.12 × 2,815.20
  4. Step 4: Simplify right side
    5,891.04x = 24,838,847.42
  5. Step 5: Solve for x
    x = 24,838,847.42/5,891.04
  6. Step 6: Final answer
    x = 4,216.38

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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.