Home / 5,634.28-8,410.37-5,172.04

Finding the Fourth Proportional to 5,634.28, 8,410.37 and 5,172.04

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Solution

The fourth proportional to 5,634.28, 8,410.37 and 5,172.04 is: 7,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.28 : 8,410.37 = 5,172.04 : x
  2. Step 2: Convert to fraction form
    5,634.28/8,410.37 = 5,172.04/x
  3. Step 3: Cross multiply
    5,634.28x = 8,410.37 × 5,172.04
  4. Step 4: Simplify right side
    5,634.28x = 43,498,770.05
  5. Step 5: Solve for x
    x = 43,498,770.05/5,634.28
  6. Step 6: Final answer
    x = 7,720.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.