Home / 1,946.26-2,920.20-1,167.76

Finding the Fourth Proportional to 1,946.26, 2,920.20 and 1,167.76

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Solution

The fourth proportional to 1,946.26, 2,920.20 and 1,167.76 is: 1,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.26 : 2,920.20 = 1,167.76 : x
  2. Step 2: Convert to fraction form
    1,946.26/2,920.20 = 1,167.76/x
  3. Step 3: Cross multiply
    1,946.26x = 2,920.20 × 1,167.76
  4. Step 4: Simplify right side
    1,946.26x = 3,410,092.75
  5. Step 5: Solve for x
    x = 3,410,092.75/1,946.26
  6. Step 6: Final answer
    x = 1,752.13

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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.