Home / 4,121.68-6,182.56-3,298.88

Finding the Fourth Proportional to 4,121.68, 6,182.56 and 3,298.88

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Solution

The fourth proportional to 4,121.68, 6,182.56 and 3,298.88 is: 4,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.68 : 6,182.56 = 3,298.88 : x
  2. Step 2: Convert to fraction form
    4,121.68/6,182.56 = 3,298.88/x
  3. Step 3: Cross multiply
    4,121.68x = 6,182.56 × 3,298.88
  4. Step 4: Simplify right side
    4,121.68x = 20,395,523.53
  5. Step 5: Solve for x
    x = 20,395,523.53/4,121.68
  6. Step 6: Final answer
    x = 4,948.35

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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.