Home / 5,171.13-7,135.52-3,046.16

Finding the Fourth Proportional to 5,171.13, 7,135.52 and 3,046.16

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Solution

The fourth proportional to 5,171.13, 7,135.52 and 3,046.16 is: 4,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.13 : 7,135.52 = 3,046.16 : x
  2. Step 2: Convert to fraction form
    5,171.13/7,135.52 = 3,046.16/x
  3. Step 3: Cross multiply
    5,171.13x = 7,135.52 × 3,046.16
  4. Step 4: Simplify right side
    5,171.13x = 21,735,938.21
  5. Step 5: Solve for x
    x = 21,735,938.21/5,171.13
  6. Step 6: Final answer
    x = 4,203.32

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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.