Home / 5,197.05-7,173.05-3,181.19

Finding the Fourth Proportional to 5,197.05, 7,173.05 and 3,181.19

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Solution

The fourth proportional to 5,197.05, 7,173.05 and 3,181.19 is: 4,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.05 : 7,173.05 = 3,181.19 : x
  2. Step 2: Convert to fraction form
    5,197.05/7,173.05 = 3,181.19/x
  3. Step 3: Cross multiply
    5,197.05x = 7,173.05 × 3,181.19
  4. Step 4: Simplify right side
    5,197.05x = 22,818,783.16
  5. Step 5: Solve for x
    x = 22,818,783.16/5,197.05
  6. Step 6: Final answer
    x = 4,390.72

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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.