Home / 3,517.98-4,855.08-2,191.74

Finding the Fourth Proportional to 3,517.98, 4,855.08 and 2,191.74

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Solution

The fourth proportional to 3,517.98, 4,855.08 and 2,191.74 is: 3,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.98 : 4,855.08 = 2,191.74 : x
  2. Step 2: Convert to fraction form
    3,517.98/4,855.08 = 2,191.74/x
  3. Step 3: Cross multiply
    3,517.98x = 4,855.08 × 2,191.74
  4. Step 4: Simplify right side
    3,517.98x = 10,641,073.04
  5. Step 5: Solve for x
    x = 10,641,073.04/3,517.98
  6. Step 6: Final answer
    x = 3,024.77

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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.