Home / 5,480.96-7,562.86-3,122.24

Finding the Fourth Proportional to 5,480.96, 7,562.86 and 3,122.24

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Solution

The fourth proportional to 5,480.96, 7,562.86 and 3,122.24 is: 4,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.96 : 7,562.86 = 3,122.24 : x
  2. Step 2: Convert to fraction form
    5,480.96/7,562.86 = 3,122.24/x
  3. Step 3: Cross multiply
    5,480.96x = 7,562.86 × 3,122.24
  4. Step 4: Simplify right side
    5,480.96x = 23,613,064.01
  5. Step 5: Solve for x
    x = 23,613,064.01/5,480.96
  6. Step 6: Final answer
    x = 4,308.20

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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.