Home / 3,967.16-5,474.72-2,572.36

Finding the Fourth Proportional to 3,967.16, 5,474.72 and 2,572.36

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Solution

The fourth proportional to 3,967.16, 5,474.72 and 2,572.36 is: 3,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.16 : 5,474.72 = 2,572.36 : x
  2. Step 2: Convert to fraction form
    3,967.16/5,474.72 = 2,572.36/x
  3. Step 3: Cross multiply
    3,967.16x = 5,474.72 × 2,572.36
  4. Step 4: Simplify right side
    3,967.16x = 14,082,950.74
  5. Step 5: Solve for x
    x = 14,082,950.74/3,967.16
  6. Step 6: Final answer
    x = 3,549.88

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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.