Home / 2,605.06-3,596.70-1,611.80

Finding the Fourth Proportional to 2,605.06, 3,596.70 and 1,611.80

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Solution

The fourth proportional to 2,605.06, 3,596.70 and 1,611.80 is: 2,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.06 : 3,596.70 = 1,611.80 : x
  2. Step 2: Convert to fraction form
    2,605.06/3,596.70 = 1,611.80/x
  3. Step 3: Cross multiply
    2,605.06x = 3,596.70 × 1,611.80
  4. Step 4: Simplify right side
    2,605.06x = 5,797,162.61
  5. Step 5: Solve for x
    x = 5,797,162.61/2,605.06
  6. Step 6: Final answer
    x = 2,225.35

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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.