Home / 2,592.46-3,889.59-2,205.40

Finding the Fourth Proportional to 2,592.46, 3,889.59 and 2,205.40

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Solution

The fourth proportional to 2,592.46, 3,889.59 and 2,205.40 is: 3,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.46 : 3,889.59 = 2,205.40 : x
  2. Step 2: Convert to fraction form
    2,592.46/3,889.59 = 2,205.40/x
  3. Step 3: Cross multiply
    2,592.46x = 3,889.59 × 2,205.40
  4. Step 4: Simplify right side
    2,592.46x = 8,578,120.63
  5. Step 5: Solve for x
    x = 8,578,120.63/2,592.46
  6. Step 6: Final answer
    x = 3,308.88

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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.