Home / 5,197.28-7,179.48-4,637.56

Finding the Fourth Proportional to 5,197.28, 7,179.48 and 4,637.56

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Solution

The fourth proportional to 5,197.28, 7,179.48 and 4,637.56 is: 6,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.28 : 7,179.48 = 4,637.56 : x
  2. Step 2: Convert to fraction form
    5,197.28/7,179.48 = 4,637.56/x
  3. Step 3: Cross multiply
    5,197.28x = 7,179.48 × 4,637.56
  4. Step 4: Simplify right side
    5,197.28x = 33,295,269.27
  5. Step 5: Solve for x
    x = 33,295,269.27/5,197.28
  6. Step 6: Final answer
    x = 6,406.29

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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.