Home / 5,176.24-7,757.44-2,539.72

Finding the Fourth Proportional to 5,176.24, 7,757.44 and 2,539.72

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Solution

The fourth proportional to 5,176.24, 7,757.44 and 2,539.72 is: 3,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.24 : 7,757.44 = 2,539.72 : x
  2. Step 2: Convert to fraction form
    5,176.24/7,757.44 = 2,539.72/x
  3. Step 3: Cross multiply
    5,176.24x = 7,757.44 × 2,539.72
  4. Step 4: Simplify right side
    5,176.24x = 19,701,725.52
  5. Step 5: Solve for x
    x = 19,701,725.52/5,176.24
  6. Step 6: Final answer
    x = 3,806.18

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1.5x scale

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.