Home / 4,078.62-6,116.21-1,267.11

Finding the Fourth Proportional to 4,078.62, 6,116.21 and 1,267.11

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Solution

The fourth proportional to 4,078.62, 6,116.21 and 1,267.11 is: 1,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.62 : 6,116.21 = 1,267.11 : x
  2. Step 2: Convert to fraction form
    4,078.62/6,116.21 = 1,267.11/x
  3. Step 3: Cross multiply
    4,078.62x = 6,116.21 × 1,267.11
  4. Step 4: Simplify right side
    4,078.62x = 7,749,904.52
  5. Step 5: Solve for x
    x = 7,749,904.52/4,078.62
  6. Step 6: Final answer
    x = 1,900.13

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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.