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Finding the Fourth Proportional to 5,177.66, 7,794.50 and 4,718.39

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Solution

The fourth proportional to 5,177.66, 7,794.50 and 4,718.39 is: 7,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.66 : 7,794.50 = 4,718.39 : x
  2. Step 2: Convert to fraction form
    5,177.66/7,794.50 = 4,718.39/x
  3. Step 3: Cross multiply
    5,177.66x = 7,794.50 × 4,718.39
  4. Step 4: Simplify right side
    5,177.66x = 36,777,428.29
  5. Step 5: Solve for x
    x = 36,777,428.29/5,177.66
  6. Step 6: Final answer
    x = 7,103.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.