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Finding the Fourth Proportional to 3,953.66, 5,930.49 and 1,763.93

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Solution

The fourth proportional to 3,953.66, 5,930.49 and 1,763.93 is: 2,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.66 : 5,930.49 = 1,763.93 : x
  2. Step 2: Convert to fraction form
    3,953.66/5,930.49 = 1,763.93/x
  3. Step 3: Cross multiply
    3,953.66x = 5,930.49 × 1,763.93
  4. Step 4: Simplify right side
    3,953.66x = 10,460,969.23
  5. Step 5: Solve for x
    x = 10,460,969.23/3,953.66
  6. Step 6: Final answer
    x = 2,645.90

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Similar ratio
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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.