Home / 3,491.12-5,233.90-2,392.12

Finding the Fourth Proportional to 3,491.12, 5,233.90 and 2,392.12

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Solution

The fourth proportional to 3,491.12, 5,233.90 and 2,392.12 is: 3,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.12 : 5,233.90 = 2,392.12 : x
  2. Step 2: Convert to fraction form
    3,491.12/5,233.90 = 2,392.12/x
  3. Step 3: Cross multiply
    3,491.12x = 5,233.90 × 2,392.12
  4. Step 4: Simplify right side
    3,491.12x = 12,520,116.87
  5. Step 5: Solve for x
    x = 12,520,116.87/3,491.12
  6. Step 6: Final answer
    x = 3,586.28

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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.