Home / 2,696.11-4,044.18-847.18

Finding the Fourth Proportional to 2,696.11, 4,044.18 and 847.18

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Solution

The fourth proportional to 2,696.11, 4,044.18 and 847.18 is: 1,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.11 : 4,044.18 = 847.18 : x
  2. Step 2: Convert to fraction form
    2,696.11/4,044.18 = 847.18/x
  3. Step 3: Cross multiply
    2,696.11x = 4,044.18 × 847.18
  4. Step 4: Simplify right side
    2,696.11x = 3,426,156.64
  5. Step 5: Solve for x
    x = 3,426,156.64/2,696.11
  6. Step 6: Final answer
    x = 1,270.78

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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.