Home / 5,289.11-7,296.91-3,400.44

Finding the Fourth Proportional to 5,289.11, 7,296.91 and 3,400.44

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Solution

The fourth proportional to 5,289.11, 7,296.91 and 3,400.44 is: 4,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.11 : 7,296.91 = 3,400.44 : x
  2. Step 2: Convert to fraction form
    5,289.11/7,296.91 = 3,400.44/x
  3. Step 3: Cross multiply
    5,289.11x = 7,296.91 × 3,400.44
  4. Step 4: Simplify right side
    5,289.11x = 24,812,704.64
  5. Step 5: Solve for x
    x = 24,812,704.64/5,289.11
  6. Step 6: Final answer
    x = 4,691.28

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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.