Home / 6,515.14-8,990.84-3,682.52

Finding the Fourth Proportional to 6,515.14, 8,990.84 and 3,682.52

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Solution

The fourth proportional to 6,515.14, 8,990.84 and 3,682.52 is: 5,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.14 : 8,990.84 = 3,682.52 : x
  2. Step 2: Convert to fraction form
    6,515.14/8,990.84 = 3,682.52/x
  3. Step 3: Cross multiply
    6,515.14x = 8,990.84 × 3,682.52
  4. Step 4: Simplify right side
    6,515.14x = 33,108,948.12
  5. Step 5: Solve for x
    x = 33,108,948.12/6,515.14
  6. Step 6: Final answer
    x = 5,081.85

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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.