Home / 4,057.40-6,087.70-1,591.80

Finding the Fourth Proportional to 4,057.40, 6,087.70 and 1,591.80

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Solution

The fourth proportional to 4,057.40, 6,087.70 and 1,591.80 is: 2,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,057.40 : 6,087.70 = 1,591.80 : x
  2. Step 2: Convert to fraction form
    4,057.40/6,087.70 = 1,591.80/x
  3. Step 3: Cross multiply
    4,057.40x = 6,087.70 × 1,591.80
  4. Step 4: Simplify right side
    4,057.40x = 9,690,400.86
  5. Step 5: Solve for x
    x = 9,690,400.86/4,057.40
  6. Step 6: Final answer
    x = 2,388.33

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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.