Home / 5,247.72-7,237.44-3,151.44

Finding the Fourth Proportional to 5,247.72, 7,237.44 and 3,151.44

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Solution

The fourth proportional to 5,247.72, 7,237.44 and 3,151.44 is: 4,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.72 : 7,237.44 = 3,151.44 : x
  2. Step 2: Convert to fraction form
    5,247.72/7,237.44 = 3,151.44/x
  3. Step 3: Cross multiply
    5,247.72x = 7,237.44 × 3,151.44
  4. Step 4: Simplify right side
    5,247.72x = 22,808,357.91
  5. Step 5: Solve for x
    x = 22,808,357.91/5,247.72
  6. Step 6: Final answer
    x = 4,346.34

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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.