Home / 6,247.47-8,621.23-3,452.79

Finding the Fourth Proportional to 6,247.47, 8,621.23 and 3,452.79

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Solution

The fourth proportional to 6,247.47, 8,621.23 and 3,452.79 is: 4,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.47 : 8,621.23 = 3,452.79 : x
  2. Step 2: Convert to fraction form
    6,247.47/8,621.23 = 3,452.79/x
  3. Step 3: Cross multiply
    6,247.47x = 8,621.23 × 3,452.79
  4. Step 4: Simplify right side
    6,247.47x = 29,767,296.73
  5. Step 5: Solve for x
    x = 29,767,296.73/6,247.47
  6. Step 6: Final answer
    x = 4,764.70

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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.