Home / 2,911.98-4,018.50-1,733.07

Finding the Fourth Proportional to 2,911.98, 4,018.50 and 1,733.07

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Solution

The fourth proportional to 2,911.98, 4,018.50 and 1,733.07 is: 2,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.98 : 4,018.50 = 1,733.07 : x
  2. Step 2: Convert to fraction form
    2,911.98/4,018.50 = 1,733.07/x
  3. Step 3: Cross multiply
    2,911.98x = 4,018.50 × 1,733.07
  4. Step 4: Simplify right side
    2,911.98x = 6,964,341.80
  5. Step 5: Solve for x
    x = 6,964,341.80/2,911.98
  6. Step 6: Final answer
    x = 2,391.62

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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.