Home / 2,617.22-3,611.40-1,497.80

Finding the Fourth Proportional to 2,617.22, 3,611.40 and 1,497.80

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Solution

The fourth proportional to 2,617.22, 3,611.40 and 1,497.80 is: 2,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.22 : 3,611.40 = 1,497.80 : x
  2. Step 2: Convert to fraction form
    2,617.22/3,611.40 = 1,497.80/x
  3. Step 3: Cross multiply
    2,617.22x = 3,611.40 × 1,497.80
  4. Step 4: Simplify right side
    2,617.22x = 5,409,154.92
  5. Step 5: Solve for x
    x = 5,409,154.92/2,617.22
  6. Step 6: Final answer
    x = 2,066.76

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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.