Home / 5,675.28-8,518.32-2,387.52

Finding the Fourth Proportional to 5,675.28, 8,518.32 and 2,387.52

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Solution

The fourth proportional to 5,675.28, 8,518.32 and 2,387.52 is: 3,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.28 : 8,518.32 = 2,387.52 : x
  2. Step 2: Convert to fraction form
    5,675.28/8,518.32 = 2,387.52/x
  3. Step 3: Cross multiply
    5,675.28x = 8,518.32 × 2,387.52
  4. Step 4: Simplify right side
    5,675.28x = 20,337,659.37
  5. Step 5: Solve for x
    x = 20,337,659.37/5,675.28
  6. Step 6: Final answer
    x = 3,583.55

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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.