Home / 5,523.42-7,622.36-3,005.55

Finding the Fourth Proportional to 5,523.42, 7,622.36 and 3,005.55

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Solution

The fourth proportional to 5,523.42, 7,622.36 and 3,005.55 is: 4,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.42 : 7,622.36 = 3,005.55 : x
  2. Step 2: Convert to fraction form
    5,523.42/7,622.36 = 3,005.55/x
  3. Step 3: Cross multiply
    5,523.42x = 7,622.36 × 3,005.55
  4. Step 4: Simplify right side
    5,523.42x = 22,909,395.64
  5. Step 5: Solve for x
    x = 22,909,395.64/5,523.42
  6. Step 6: Final answer
    x = 4,147.68

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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.