Home / 5,150.08-7,107.96-3,055.60

Finding the Fourth Proportional to 5,150.08, 7,107.96 and 3,055.60

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Solution

The fourth proportional to 5,150.08, 7,107.96 and 3,055.60 is: 4,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.08 : 7,107.96 = 3,055.60 : x
  2. Step 2: Convert to fraction form
    5,150.08/7,107.96 = 3,055.60/x
  3. Step 3: Cross multiply
    5,150.08x = 7,107.96 × 3,055.60
  4. Step 4: Simplify right side
    5,150.08x = 21,719,082.58
  5. Step 5: Solve for x
    x = 21,719,082.58/5,150.08
  6. Step 6: Final answer
    x = 4,217.23

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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.