Home / 2,592.11-3,880.95-2,218.43

Finding the Fourth Proportional to 2,592.11, 3,880.95 and 2,218.43

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Solution

The fourth proportional to 2,592.11, 3,880.95 and 2,218.43 is: 3,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.11 : 3,880.95 = 2,218.43 : x
  2. Step 2: Convert to fraction form
    2,592.11/3,880.95 = 2,218.43/x
  3. Step 3: Cross multiply
    2,592.11x = 3,880.95 × 2,218.43
  4. Step 4: Simplify right side
    2,592.11x = 8,609,615.91
  5. Step 5: Solve for x
    x = 8,609,615.91/2,592.11
  6. Step 6: Final answer
    x = 3,321.47

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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.