Home / 5,815.84-8,723.76-2,355.52

Finding the Fourth Proportional to 5,815.84, 8,723.76 and 2,355.52

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Solution

The fourth proportional to 5,815.84, 8,723.76 and 2,355.52 is: 3,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.84 : 8,723.76 = 2,355.52 : x
  2. Step 2: Convert to fraction form
    5,815.84/8,723.76 = 2,355.52/x
  3. Step 3: Cross multiply
    5,815.84x = 8,723.76 × 2,355.52
  4. Step 4: Simplify right side
    5,815.84x = 20,548,991.16
  5. Step 5: Solve for x
    x = 20,548,991.16/5,815.84
  6. Step 6: Final answer
    x = 3,533.28

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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.