Home / 4,190.48-6,278.98-3,074.70

Finding the Fourth Proportional to 4,190.48, 6,278.98 and 3,074.70

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Solution

The fourth proportional to 4,190.48, 6,278.98 and 3,074.70 is: 4,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.48 : 6,278.98 = 3,074.70 : x
  2. Step 2: Convert to fraction form
    4,190.48/6,278.98 = 3,074.70/x
  3. Step 3: Cross multiply
    4,190.48x = 6,278.98 × 3,074.70
  4. Step 4: Simplify right side
    4,190.48x = 19,305,972.12
  5. Step 5: Solve for x
    x = 19,305,972.12/4,190.48
  6. Step 6: Final answer
    x = 4,607.11

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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.