Home / 5,530.28-7,623.72-4,201.68

Finding the Fourth Proportional to 5,530.28, 7,623.72 and 4,201.68

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Solution

The fourth proportional to 5,530.28, 7,623.72 and 4,201.68 is: 5,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.28 : 7,623.72 = 4,201.68 : x
  2. Step 2: Convert to fraction form
    5,530.28/7,623.72 = 4,201.68/x
  3. Step 3: Cross multiply
    5,530.28x = 7,623.72 × 4,201.68
  4. Step 4: Simplify right side
    5,530.28x = 32,032,431.85
  5. Step 5: Solve for x
    x = 32,032,431.85/5,530.28
  6. Step 6: Final answer
    x = 5,792.19

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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.