Home / 3,036.53-4,190.48-1,778.49

Finding the Fourth Proportional to 3,036.53, 4,190.48 and 1,778.49

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Solution

The fourth proportional to 3,036.53, 4,190.48 and 1,778.49 is: 2,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.53 : 4,190.48 = 1,778.49 : x
  2. Step 2: Convert to fraction form
    3,036.53/4,190.48 = 1,778.49/x
  3. Step 3: Cross multiply
    3,036.53x = 4,190.48 × 1,778.49
  4. Step 4: Simplify right side
    3,036.53x = 7,452,740.98
  5. Step 5: Solve for x
    x = 7,452,740.98/3,036.53
  6. Step 6: Final answer
    x = 2,454.36

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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.