Home / 5,147.16-7,709.97-4,267.59

Finding the Fourth Proportional to 5,147.16, 7,709.97 and 4,267.59

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Solution

The fourth proportional to 5,147.16, 7,709.97 and 4,267.59 is: 6,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.16 : 7,709.97 = 4,267.59 : x
  2. Step 2: Convert to fraction form
    5,147.16/7,709.97 = 4,267.59/x
  3. Step 3: Cross multiply
    5,147.16x = 7,709.97 × 4,267.59
  4. Step 4: Simplify right side
    5,147.16x = 32,902,990.87
  5. Step 5: Solve for x
    x = 32,902,990.87/5,147.16
  6. Step 6: Final answer
    x = 6,392.46

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1.5x scale

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.