Home / 3,322.96-4,980.72-1,374.16

Finding the Fourth Proportional to 3,322.96, 4,980.72 and 1,374.16

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Solution

The fourth proportional to 3,322.96, 4,980.72 and 1,374.16 is: 2,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.96 : 4,980.72 = 1,374.16 : x
  2. Step 2: Convert to fraction form
    3,322.96/4,980.72 = 1,374.16/x
  3. Step 3: Cross multiply
    3,322.96x = 4,980.72 × 1,374.16
  4. Step 4: Simplify right side
    3,322.96x = 6,844,306.20
  5. Step 5: Solve for x
    x = 6,844,306.20/3,322.96
  6. Step 6: Final answer
    x = 2,059.70

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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.