Home / 5,399.01-7,449.84-3,160.04

Finding the Fourth Proportional to 5,399.01, 7,449.84 and 3,160.04

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Solution

The fourth proportional to 5,399.01, 7,449.84 and 3,160.04 is: 4,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.01 : 7,449.84 = 3,160.04 : x
  2. Step 2: Convert to fraction form
    5,399.01/7,449.84 = 3,160.04/x
  3. Step 3: Cross multiply
    5,399.01x = 7,449.84 × 3,160.04
  4. Step 4: Simplify right side
    5,399.01x = 23,541,755.14
  5. Step 5: Solve for x
    x = 23,541,755.14/5,399.01
  6. Step 6: Final answer
    x = 4,360.38

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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.