Home / 5,188.23-7,784.60-2,722.46

Finding the Fourth Proportional to 5,188.23, 7,784.60 and 2,722.46

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Solution

The fourth proportional to 5,188.23, 7,784.60 and 2,722.46 is: 4,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.23 : 7,784.60 = 2,722.46 : x
  2. Step 2: Convert to fraction form
    5,188.23/7,784.60 = 2,722.46/x
  3. Step 3: Cross multiply
    5,188.23x = 7,784.60 × 2,722.46
  4. Step 4: Simplify right side
    5,188.23x = 21,193,209.58
  5. Step 5: Solve for x
    x = 21,193,209.58/5,188.23
  6. Step 6: Final answer
    x = 4,084.86

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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.