Home / 4,126.17-6,188.60-1,203.80

Finding the Fourth Proportional to 4,126.17, 6,188.60 and 1,203.80

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Solution

The fourth proportional to 4,126.17, 6,188.60 and 1,203.80 is: 1,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.17 : 6,188.60 = 1,203.80 : x
  2. Step 2: Convert to fraction form
    4,126.17/6,188.60 = 1,203.80/x
  3. Step 3: Cross multiply
    4,126.17x = 6,188.60 × 1,203.80
  4. Step 4: Simplify right side
    4,126.17x = 7,449,808.75
  5. Step 5: Solve for x
    x = 7,449,808.75/4,126.17
  6. Step 6: Final answer
    x = 1,805.50

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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.