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Finding the Fourth Proportional to 3,938.67, 5,908.01 and 1,598.71

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Solution

The fourth proportional to 3,938.67, 5,908.01 and 1,598.71 is: 2,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.67 : 5,908.01 = 1,598.71 : x
  2. Step 2: Convert to fraction form
    3,938.67/5,908.01 = 1,598.71/x
  3. Step 3: Cross multiply
    3,938.67x = 5,908.01 × 1,598.71
  4. Step 4: Simplify right side
    3,938.67x = 9,445,194.67
  5. Step 5: Solve for x
    x = 9,445,194.67/3,938.67
  6. Step 6: Final answer
    x = 2,398.07

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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.