Home / 2,031.18-3,046.76-1,107.17

Finding the Fourth Proportional to 2,031.18, 3,046.76 and 1,107.17

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Solution

The fourth proportional to 2,031.18, 3,046.76 and 1,107.17 is: 1,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.18 : 3,046.76 = 1,107.17 : x
  2. Step 2: Convert to fraction form
    2,031.18/3,046.76 = 1,107.17/x
  3. Step 3: Cross multiply
    2,031.18x = 3,046.76 × 1,107.17
  4. Step 4: Simplify right side
    2,031.18x = 3,373,282.30
  5. Step 5: Solve for x
    x = 3,373,282.30/2,031.18
  6. Step 6: Final answer
    x = 1,660.75

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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.