Home / 3,817.92-5,271.24-2,932.12

Finding the Fourth Proportional to 3,817.92, 5,271.24 and 2,932.12

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Solution

The fourth proportional to 3,817.92, 5,271.24 and 2,932.12 is: 4,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.92 : 5,271.24 = 2,932.12 : x
  2. Step 2: Convert to fraction form
    3,817.92/5,271.24 = 2,932.12/x
  3. Step 3: Cross multiply
    3,817.92x = 5,271.24 × 2,932.12
  4. Step 4: Simplify right side
    3,817.92x = 15,455,908.23
  5. Step 5: Solve for x
    x = 15,455,908.23/3,817.92
  6. Step 6: Final answer
    x = 4,048.25

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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.