Home / 5,706.37-7,874.80-3,188.48

Finding the Fourth Proportional to 5,706.37, 7,874.80 and 3,188.48

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Solution

The fourth proportional to 5,706.37, 7,874.80 and 3,188.48 is: 4,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.37 : 7,874.80 = 3,188.48 : x
  2. Step 2: Convert to fraction form
    5,706.37/7,874.80 = 3,188.48/x
  3. Step 3: Cross multiply
    5,706.37x = 7,874.80 × 3,188.48
  4. Step 4: Simplify right side
    5,706.37x = 25,108,654.02
  5. Step 5: Solve for x
    x = 25,108,654.02/5,706.37
  6. Step 6: Final answer
    x = 4,400.11

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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.