Home / 5,868.20-8,098.29-3,215.79

Finding the Fourth Proportional to 5,868.20, 8,098.29 and 3,215.79

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Solution

The fourth proportional to 5,868.20, 8,098.29 and 3,215.79 is: 4,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.20 : 8,098.29 = 3,215.79 : x
  2. Step 2: Convert to fraction form
    5,868.20/8,098.29 = 3,215.79/x
  3. Step 3: Cross multiply
    5,868.20x = 8,098.29 × 3,215.79
  4. Step 4: Simplify right side
    5,868.20x = 26,042,400.00
  5. Step 5: Solve for x
    x = 26,042,400.00/5,868.20
  6. Step 6: Final answer
    x = 4,437.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.