Home / 4,991.73-6,888.77-3,103.53

Finding the Fourth Proportional to 4,991.73, 6,888.77 and 3,103.53

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Solution

The fourth proportional to 4,991.73, 6,888.77 and 3,103.53 is: 4,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.73 : 6,888.77 = 3,103.53 : x
  2. Step 2: Convert to fraction form
    4,991.73/6,888.77 = 3,103.53/x
  3. Step 3: Cross multiply
    4,991.73x = 6,888.77 × 3,103.53
  4. Step 4: Simplify right side
    4,991.73x = 21,379,488.84
  5. Step 5: Solve for x
    x = 21,379,488.84/4,991.73
  6. Step 6: Final answer
    x = 4,282.98

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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.