Home / 5,319.42-8,019.25-4,962.75

Finding the Fourth Proportional to 5,319.42, 8,019.25 and 4,962.75

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Solution

The fourth proportional to 5,319.42, 8,019.25 and 4,962.75 is: 7,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.42 : 8,019.25 = 4,962.75 : x
  2. Step 2: Convert to fraction form
    5,319.42/8,019.25 = 4,962.75/x
  3. Step 3: Cross multiply
    5,319.42x = 8,019.25 × 4,962.75
  4. Step 4: Simplify right side
    5,319.42x = 39,797,532.94
  5. Step 5: Solve for x
    x = 39,797,532.94/5,319.42
  6. Step 6: Final answer
    x = 7,481.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.