Home / 5,451.75-8,132.36-5,269.52

Finding the Fourth Proportional to 5,451.75, 8,132.36 and 5,269.52

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Solution

The fourth proportional to 5,451.75, 8,132.36 and 5,269.52 is: 7,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.75 : 8,132.36 = 5,269.52 : x
  2. Step 2: Convert to fraction form
    5,451.75/8,132.36 = 5,269.52/x
  3. Step 3: Cross multiply
    5,451.75x = 8,132.36 × 5,269.52
  4. Step 4: Simplify right side
    5,451.75x = 42,853,627.65
  5. Step 5: Solve for x
    x = 42,853,627.65/5,451.75
  6. Step 6: Final answer
    x = 7,860.53

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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.