Home / 5,747.34-8,621.32-2,458.20

Finding the Fourth Proportional to 5,747.34, 8,621.32 and 2,458.20

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Solution

The fourth proportional to 5,747.34, 8,621.32 and 2,458.20 is: 3,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.34 : 8,621.32 = 2,458.20 : x
  2. Step 2: Convert to fraction form
    5,747.34/8,621.32 = 2,458.20/x
  3. Step 3: Cross multiply
    5,747.34x = 8,621.32 × 2,458.20
  4. Step 4: Simplify right side
    5,747.34x = 21,192,928.82
  5. Step 5: Solve for x
    x = 21,192,928.82/5,747.34
  6. Step 6: Final answer
    x = 3,687.43

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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.