Home / 4,958.74-7,439.19-1,671.90

Finding the Fourth Proportional to 4,958.74, 7,439.19 and 1,671.90

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Solution

The fourth proportional to 4,958.74, 7,439.19 and 1,671.90 is: 2,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.74 : 7,439.19 = 1,671.90 : x
  2. Step 2: Convert to fraction form
    4,958.74/7,439.19 = 1,671.90/x
  3. Step 3: Cross multiply
    4,958.74x = 7,439.19 × 1,671.90
  4. Step 4: Simplify right side
    4,958.74x = 12,437,581.76
  5. Step 5: Solve for x
    x = 12,437,581.76/4,958.74
  6. Step 6: Final answer
    x = 2,508.21

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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.