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Finding the Fourth Proportional to 5,635.71, 7,773.18 and 4,888.38

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Solution

The fourth proportional to 5,635.71, 7,773.18 and 4,888.38 is: 6,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.71 : 7,773.18 = 4,888.38 : x
  2. Step 2: Convert to fraction form
    5,635.71/7,773.18 = 4,888.38/x
  3. Step 3: Cross multiply
    5,635.71x = 7,773.18 × 4,888.38
  4. Step 4: Simplify right side
    5,635.71x = 37,998,257.65
  5. Step 5: Solve for x
    x = 37,998,257.65/5,635.71
  6. Step 6: Final answer
    x = 6,742.41

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1.5x scale

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.