Home / 5,246.12-7,866.31-2,080.35

Finding the Fourth Proportional to 5,246.12, 7,866.31 and 2,080.35

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Solution

The fourth proportional to 5,246.12, 7,866.31 and 2,080.35 is: 3,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.12 : 7,866.31 = 2,080.35 : x
  2. Step 2: Convert to fraction form
    5,246.12/7,866.31 = 2,080.35/x
  3. Step 3: Cross multiply
    5,246.12x = 7,866.31 × 2,080.35
  4. Step 4: Simplify right side
    5,246.12x = 16,364,667.61
  5. Step 5: Solve for x
    x = 16,364,667.61/5,246.12
  6. Step 6: Final answer
    x = 3,119.38

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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.