Home / 5,246.30-7,871.83-2,285.66

Finding the Fourth Proportional to 5,246.30, 7,871.83 and 2,285.66

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Solution

The fourth proportional to 5,246.30, 7,871.83 and 2,285.66 is: 3,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.30 : 7,871.83 = 2,285.66 : x
  2. Step 2: Convert to fraction form
    5,246.30/7,871.83 = 2,285.66/x
  3. Step 3: Cross multiply
    5,246.30x = 7,871.83 × 2,285.66
  4. Step 4: Simplify right side
    5,246.30x = 17,992,326.96
  5. Step 5: Solve for x
    x = 17,992,326.96/5,246.30
  6. Step 6: Final answer
    x = 3,429.53

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1.5x scale

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.