Home / 3,174.21-4,381.56-2,583.72

Finding the Fourth Proportional to 3,174.21, 4,381.56 and 2,583.72

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Solution

The fourth proportional to 3,174.21, 4,381.56 and 2,583.72 is: 3,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.21 : 4,381.56 = 2,583.72 : x
  2. Step 2: Convert to fraction form
    3,174.21/4,381.56 = 2,583.72/x
  3. Step 3: Cross multiply
    3,174.21x = 4,381.56 × 2,583.72
  4. Step 4: Simplify right side
    3,174.21x = 11,320,724.20
  5. Step 5: Solve for x
    x = 11,320,724.20/3,174.21
  6. Step 6: Final answer
    x = 3,566.47

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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.