Home / 4,994.20-7,491.30-2,916.55

Finding the Fourth Proportional to 4,994.20, 7,491.30 and 2,916.55

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Solution

The fourth proportional to 4,994.20, 7,491.30 and 2,916.55 is: 4,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.20 : 7,491.30 = 2,916.55 : x
  2. Step 2: Convert to fraction form
    4,994.20/7,491.30 = 2,916.55/x
  3. Step 3: Cross multiply
    4,994.20x = 7,491.30 × 2,916.55
  4. Step 4: Simplify right side
    4,994.20x = 21,848,751.02
  5. Step 5: Solve for x
    x = 21,848,751.02/4,994.20
  6. Step 6: Final answer
    x = 4,374.83

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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.