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Finding the Fourth Proportional to 3,906.71, 5,860.08 and 1,598.21

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Solution

The fourth proportional to 3,906.71, 5,860.08 and 1,598.21 is: 2,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.71 : 5,860.08 = 1,598.21 : x
  2. Step 2: Convert to fraction form
    3,906.71/5,860.08 = 1,598.21/x
  3. Step 3: Cross multiply
    3,906.71x = 5,860.08 × 1,598.21
  4. Step 4: Simplify right side
    3,906.71x = 9,365,638.46
  5. Step 5: Solve for x
    x = 9,365,638.46/3,906.71
  6. Step 6: Final answer
    x = 2,397.32

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Half scale
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Double scale
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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.