Home / 5,186.22-7,157.64-3,298.14

Finding the Fourth Proportional to 5,186.22, 7,157.64 and 3,298.14

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Solution

The fourth proportional to 5,186.22, 7,157.64 and 3,298.14 is: 4,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.22 : 7,157.64 = 3,298.14 : x
  2. Step 2: Convert to fraction form
    5,186.22/7,157.64 = 3,298.14/x
  3. Step 3: Cross multiply
    5,186.22x = 7,157.64 × 3,298.14
  4. Step 4: Simplify right side
    5,186.22x = 23,606,898.79
  5. Step 5: Solve for x
    x = 23,606,898.79/5,186.22
  6. Step 6: Final answer
    x = 4,551.85

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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.