Home / 5,234.31-7,852.62-1,725.40

Finding the Fourth Proportional to 5,234.31, 7,852.62 and 1,725.40

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Solution

The fourth proportional to 5,234.31, 7,852.62 and 1,725.40 is: 2,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.31 : 7,852.62 = 1,725.40 : x
  2. Step 2: Convert to fraction form
    5,234.31/7,852.62 = 1,725.40/x
  3. Step 3: Cross multiply
    5,234.31x = 7,852.62 × 1,725.40
  4. Step 4: Simplify right side
    5,234.31x = 13,548,910.55
  5. Step 5: Solve for x
    x = 13,548,910.55/5,234.31
  6. Step 6: Final answer
    x = 2,588.48

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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.