Home / 4,149.58-6,225.28-1,228.11

Finding the Fourth Proportional to 4,149.58, 6,225.28 and 1,228.11

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Solution

The fourth proportional to 4,149.58, 6,225.28 and 1,228.11 is: 1,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.58 : 6,225.28 = 1,228.11 : x
  2. Step 2: Convert to fraction form
    4,149.58/6,225.28 = 1,228.11/x
  3. Step 3: Cross multiply
    4,149.58x = 6,225.28 × 1,228.11
  4. Step 4: Simplify right side
    4,149.58x = 7,645,340.68
  5. Step 5: Solve for x
    x = 7,645,340.68/4,149.58
  6. Step 6: Final answer
    x = 1,842.44

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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.