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Finding the Fourth Proportional to 3,491.84, 4,817.25 and 2,958.45

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Solution

The fourth proportional to 3,491.84, 4,817.25 and 2,958.45 is: 4,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.84 : 4,817.25 = 2,958.45 : x
  2. Step 2: Convert to fraction form
    3,491.84/4,817.25 = 2,958.45/x
  3. Step 3: Cross multiply
    3,491.84x = 4,817.25 × 2,958.45
  4. Step 4: Simplify right side
    3,491.84x = 14,251,593.26
  5. Step 5: Solve for x
    x = 14,251,593.26/3,491.84
  6. Step 6: Final answer
    x = 4,081.41

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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.