Home / 5,480.42-7,562.94-3,122.57

Finding the Fourth Proportional to 5,480.42, 7,562.94 and 3,122.57

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Solution

The fourth proportional to 5,480.42, 7,562.94 and 3,122.57 is: 4,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.42 : 7,562.94 = 3,122.57 : x
  2. Step 2: Convert to fraction form
    5,480.42/7,562.94 = 3,122.57/x
  3. Step 3: Cross multiply
    5,480.42x = 7,562.94 × 3,122.57
  4. Step 4: Simplify right side
    5,480.42x = 23,615,771.74
  5. Step 5: Solve for x
    x = 23,615,771.74/5,480.42
  6. Step 6: Final answer
    x = 4,309.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.