Home / 5,332.91-7,989.12-4,157.42

Finding the Fourth Proportional to 5,332.91, 7,989.12 and 4,157.42

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Solution

The fourth proportional to 5,332.91, 7,989.12 and 4,157.42 is: 6,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.91 : 7,989.12 = 4,157.42 : x
  2. Step 2: Convert to fraction form
    5,332.91/7,989.12 = 4,157.42/x
  3. Step 3: Cross multiply
    5,332.91x = 7,989.12 × 4,157.42
  4. Step 4: Simplify right side
    5,332.91x = 33,214,087.32
  5. Step 5: Solve for x
    x = 33,214,087.32/5,332.91
  6. Step 6: Final answer
    x = 6,228.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.