Home / 5,176.24-7,720.92-4,751.68

Finding the Fourth Proportional to 5,176.24, 7,720.92 and 4,751.68

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Solution

The fourth proportional to 5,176.24, 7,720.92 and 4,751.68 is: 7,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.24 : 7,720.92 = 4,751.68 : x
  2. Step 2: Convert to fraction form
    5,176.24/7,720.92 = 4,751.68/x
  3. Step 3: Cross multiply
    5,176.24x = 7,720.92 × 4,751.68
  4. Step 4: Simplify right side
    5,176.24x = 36,687,341.15
  5. Step 5: Solve for x
    x = 36,687,341.15/5,176.24
  6. Step 6: Final answer
    x = 7,087.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.