Home / 3,558.69-4,910.53-1,986.85

Finding the Fourth Proportional to 3,558.69, 4,910.53 and 1,986.85

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Solution

The fourth proportional to 3,558.69, 4,910.53 and 1,986.85 is: 2,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.69 : 4,910.53 = 1,986.85 : x
  2. Step 2: Convert to fraction form
    3,558.69/4,910.53 = 1,986.85/x
  3. Step 3: Cross multiply
    3,558.69x = 4,910.53 × 1,986.85
  4. Step 4: Simplify right side
    3,558.69x = 9,756,486.53
  5. Step 5: Solve for x
    x = 9,756,486.53/3,558.69
  6. Step 6: Final answer
    x = 2,741.59

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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.