Home / 5,226.12-7,836.35-1,715.31

Finding the Fourth Proportional to 5,226.12, 7,836.35 and 1,715.31

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Solution

The fourth proportional to 5,226.12, 7,836.35 and 1,715.31 is: 2,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.12 : 7,836.35 = 1,715.31 : x
  2. Step 2: Convert to fraction form
    5,226.12/7,836.35 = 1,715.31/x
  3. Step 3: Cross multiply
    5,226.12x = 7,836.35 × 1,715.31
  4. Step 4: Simplify right side
    5,226.12x = 13,441,760.94
  5. Step 5: Solve for x
    x = 13,441,760.94/5,226.12
  6. Step 6: Final answer
    x = 2,572.03

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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.