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Finding the Fourth Proportional to 3,487.67, 4,813.02 and 1,894.33

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Solution

The fourth proportional to 3,487.67, 4,813.02 and 1,894.33 is: 2,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.67 : 4,813.02 = 1,894.33 : x
  2. Step 2: Convert to fraction form
    3,487.67/4,813.02 = 1,894.33/x
  3. Step 3: Cross multiply
    3,487.67x = 4,813.02 × 1,894.33
  4. Step 4: Simplify right side
    3,487.67x = 9,117,475.11
  5. Step 5: Solve for x
    x = 9,117,475.11/3,487.67
  6. Step 6: Final answer
    x = 2,614.20

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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.