Home / 6,271.57-8,654.87-3,439.22

Finding the Fourth Proportional to 6,271.57, 8,654.87 and 3,439.22

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Solution

The fourth proportional to 6,271.57, 8,654.87 and 3,439.22 is: 4,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.57 : 8,654.87 = 3,439.22 : x
  2. Step 2: Convert to fraction form
    6,271.57/8,654.87 = 3,439.22/x
  3. Step 3: Cross multiply
    6,271.57x = 8,654.87 × 3,439.22
  4. Step 4: Simplify right side
    6,271.57x = 29,765,958.73
  5. Step 5: Solve for x
    x = 29,765,958.73/6,271.57
  6. Step 6: Final answer
    x = 4,746.17

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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.