Home / 2,946.82-4,064.91-1,767.20

Finding the Fourth Proportional to 2,946.82, 4,064.91 and 1,767.20

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Solution

The fourth proportional to 2,946.82, 4,064.91 and 1,767.20 is: 2,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.82 : 4,064.91 = 1,767.20 : x
  2. Step 2: Convert to fraction form
    2,946.82/4,064.91 = 1,767.20/x
  3. Step 3: Cross multiply
    2,946.82x = 4,064.91 × 1,767.20
  4. Step 4: Simplify right side
    2,946.82x = 7,183,508.95
  5. Step 5: Solve for x
    x = 7,183,508.95/2,946.82
  6. Step 6: Final answer
    x = 2,437.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.