Home / 5,197.31-7,179.87-4,497.47

Finding the Fourth Proportional to 5,197.31, 7,179.87 and 4,497.47

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Solution

The fourth proportional to 5,197.31, 7,179.87 and 4,497.47 is: 6,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.31 : 7,179.87 = 4,497.47 : x
  2. Step 2: Convert to fraction form
    5,197.31/7,179.87 = 4,497.47/x
  3. Step 3: Cross multiply
    5,197.31x = 7,179.87 × 4,497.47
  4. Step 4: Simplify right side
    5,197.31x = 32,291,214.03
  5. Step 5: Solve for x
    x = 32,291,214.03/5,197.31
  6. Step 6: Final answer
    x = 6,213.07

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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.