Home / 5,299.87-7,948.15-1,836.31

Finding the Fourth Proportional to 5,299.87, 7,948.15 and 1,836.31

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Solution

The fourth proportional to 5,299.87, 7,948.15 and 1,836.31 is: 2,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.87 : 7,948.15 = 1,836.31 : x
  2. Step 2: Convert to fraction form
    5,299.87/7,948.15 = 1,836.31/x
  3. Step 3: Cross multiply
    5,299.87x = 7,948.15 × 1,836.31
  4. Step 4: Simplify right side
    5,299.87x = 14,595,267.33
  5. Step 5: Solve for x
    x = 14,595,267.33/5,299.87
  6. Step 6: Final answer
    x = 2,753.89

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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.